In the novel I Am Legend, the protagonist was a killer. After he was killed, he transmigrated to another world and obtained the ability to activate the system to kill. In the end, he returned to the original world?

This was a novel about an adventure in another world. After the protagonist transmigrated to another world, he possessed a young man and began his adventure. He caught a bird that looked like an owl as a pet because owls were believed to have mysterious powers in ancient times. He also killed a snake and obtained its skull, which gave him the gravity ability. In this foreign world, he encountered various dangers and challenges, but through his own ability and courage, he finally became a powerful adventurer.

In "Everything Begins with the Tiger Demon," the protagonist transmigrated into a tiger and was accompanied by a sealed demon. After that, he transmigrated back to the city and fought against the evil cult with the demons. I hope you like this fairy's recommendation. Muah ~😗

[I recommend the [The Benevolent Heart of the System's Doctor] to you.] The main character of this book was a doctor who traveled back in time to ancient times. He had a system with him, but the system could only increase his medical proficiency and not exchange it for martial arts. However, the plot of this book was simple and exciting. The protagonist helped others through his medical skills and became a hero in people's hearts. I hope you like my recommendation.😗

" Go to Hell, System " is a light novel by the author, a burglar. It's a derivative Doujinshi novel. The general plot of this novel is as follows: In this world, nothing should be taken away. If there were any foreign objects that attempted to destroy or plunder, there would naturally be existences that could contend with them. This is a lone story of the World Protector. Go kill the System! Book friend group: 684427820. ---------------------------- " World Destroying Mad God System " was a fantasy novel written by the author, Yu Meiyan. The general plot of this novel was: "Escape? The word escape doesn't exist in my dictionary…" "This is your ultimate move? Xiaohuo, come here." I won't hit you…" In a different world, the main character accidentally transmigrated into the body of a useless youth whose cultivation was completely crippled. However, with the help of the World Destruction Divine System, he leveled up like a BUG. In the face of all the forces that were not convinced, he did not retreat at all and finally became the number one person in the different world… ---------------------------- " The Otherworld Travel System " was a light novel by the author, Seven Days of Healing. The general plot of the novel was: The new book," What Can The System Do To Me ", has been uploaded to Fire Escape? Demon Fruit? Dragon Slaying Saber? Game skills? [Electronic voice: Acquiring this ability. Please do not die or leave this world.] ...... When the otaku obtained the Otherworld Travel System, His cold heart began to heat up again. Punching anime villains, hugging beautiful women in his arms. Invincible Life, now activated… ---------------------------- " I Killed the System " was a fantasy novel written by the author, Yang Shushu. The general plot of the novel was: This was a story of a protagonist who thought he wasn't the main character, hunting down other supporting characters who thought they were the main characters, and trying to save the world. ------------ "Are you a proud son of heaven? Fate? A good-for-nothing counterattack?" Yi Yi was dressed in cotton clothes and held a scroll in his hand. He pointed his sword at a man in luxurious clothes and tilted his head to ask. The man didn't reply. Instead, he circulated all the spiritual energy in his body with a solemn expression. After the sword light, the man fell. "You're not now." Yi Yi shook off a thread of blood from the tip of his sword and stated the truth calmly. He lowered his head and looked at the scroll. On it were written the words " Infinite Resurrection System ". "This is going to be troublesome." He muttered... ---------------------------- " Because I Don't Make a Living Without the System " was a fantasy novel written by the author, Lan Qiuchen. The general plot of this novel was: System, why are you so cunning? Was it a hindsight, System? I killed all the monsters before you gave me the newbie skill. System, you want to punish me? No way! I can cultivate it myself. System, what use do I have for you? This was an anti-system article to a certain extent. ---------------------------- " Eliminate the System " was a fantasy novel written by the author, Zhe Hu Ye Yao Hu. The general plot of this novel was: The system descended! He controlled the world and tamed the human world. Hu Daodi rose up to resist and led his men of insight. Declaring war on the system! ---------------------------- " The Invincible Chaotic System " was a fantasy novel written by the author, You You. The general plot of this novel was: After transmigrating, why did everyone else become the main characters, but I became a person who deliberately caused trouble for the main characters? [What is our mission?] [I'm creating trouble for the protagonist!] System: What if the main character hits you? [Me: If you can win, then fight. If you can't win, then retreat strategically!] ---------------------------- The book " Quickly Cross the System: The Attack of the Villain Boss " was a sci-fi space-time travel novel written by the author, Mo Ling. The general plot of this novel was: When the ultimate villain BOSS becomes a psychopath who doesn't play by the rules, are the protagonists who have transmigrated and reincarnated ready for the strategy? This dungeon was very difficult to clear! [Reborn protagonist: I don't want to be reborn, let me die!] The protagonist of the transmigration: I don't want to transmigrate, let me go back! The protagonist thought, Is this hell mode? Villains could even soar to the heavens! Where was the stepping stone? Director, I suspect that I took a fake script! [Darkened protagonist: I quit!]ヽ(#`Д´)ノ Ming Shu,"Next." #Instance Dungeon Mode: Normal, Hard, Hell, Ming Shu # #Host kills himself at the slightest disagreement # ---------------------------- " Infinite Reincarnation: The Purgers of the Other World " was a sci-fi time-travel novel written by the author's non-existent imagination. The general plot of this novel was: Tang Ming, who had been reborn in the other world, realized that this world respected martial arts. And it was the kind that cultivated technology. How was he supposed to survive with his average aptitude? It was not easy for him to avoid all kinds of dangers and survive, but he was accidentally killed. Fortunately, the system awakened at the last moment and he survived. What was that? This system's mission was too perverse! You want me to fight with the Children of the Plane from other worlds, and you want me to eliminate transmigrators with unique skills and cheat fingers? What a joke. If he was not careful, he would lose his life. Can the system not execute it? The System said,"Either execute it or die!" [This book has both original worlds and doujinshi.] ---------------------------- The Death Achievement System was a fantasy novel written by the author, Incomprehensible Smile. The general plot of the novel was: Why is it that other people's cheat codes are all god-like, but my system wants me to die? Hearing the system's cold notification, Cheng He's heart was in a mess. The Death Achievement System would bring you to a worthy death and success. Host, please complete the basic quota of three deaths per month on time. Otherwise, the system will destroy the world!

I recommend the following novels to you: 1. " Infinite Comic World ": The protagonist controls an infinite world and can get anything you want. He can travel between different parallel worlds and have all kinds of artifacts and beauties. 2. " The Creator of All Worlds ": The protagonist becomes a candidate for the Creator. He can create the world of primeval times, technology, magic, Xianxia, and so on. He will work with the gods to explore the mystery of creation. 3. The protagonist was chosen by the Lord of the World to steal the power of other worlds to perfect his own world, travel through different planes, and become the strongest Lord of the World. I hope you like my recommendation. If you want to know more about similar novels, feel free to tell me at any time.

If you like light-hearted and funny novels, I recommend the book "The Transformation Plan for the Art Goddess" to you. The protagonist transmigrated to a parallel world and realized that this world did not have any poetry, songs, and other cultural products. Therefore, she used the poetry and songs of the original world to act cool and become a literary goddess. This novel is funny and humorous, with an interesting storyline and characters. It's very suitable for you. I hope you like this fairy's recommendation. Muah ~😗

[One Piece: The Illusion of Moonlight] is a light novel written by the author, Tree Ear. It's a fantasy novel. The general plot of this novel is as follows: After transmigrating to the pirate world, Alan, who came with his own BGM, ate the Disintegration Fruit and gained the ability to collapse. He became a priest and used the power of moonlight to open his third eye. He would lead the sea and rise in the era of the great pirates. ---------------------------- One Piece: I'm Escaping from the Top of the Tree was a light novel by the author, Purple Potato, who had escaped. It was a derivative doujinshi novel. The general plot of the novel was: He was adopted by Karp and became one of Luffy's brothers. He joined the navy and obtained the Naruto System. Wood escape, good stuff. Shura Eye, good stuff, Tail Beast…This thing…It was equivalent to a nuclear bomb in the pirate world. "Major General Eddy, we just received news that Blackbeard has captured Ace from the White Beard Pirates and is currently escorting him to Push City." The adjutant walked to Eddy's side and said. Eddy thought, Ace was caught…He picked up his cloak and said to the adjutant beside him,"Let's go and push the city." Book friend group number: 1030260020. ---------------------------- One Piece: Fruit of the Sea Tower was a light novel by the author, Xiao Zhuan. It was a doujinshi novel. The general plot of this novel was: Pirates and co-conspirators. He ate a fake devil fruit, and it was sweet. Obtained the attributes of the Hailoushi fruit and became the father of all fruit ability users. All aptitude users would turn soft at the touch and immediately cower ~ Moreover, he owned a demon fruit orchard and became a farm owner. There are only 720 demon fruits in the world, and all of them come from the demon tree. Now that the tree belongs to my family, do you think these fruits belong to me? Those who ate my fruits will have to pay back sooner or later. He was so handsome that he didn't look like someone who was capable at all! ---------------------------- One Piece: The Descent of Emperor Yan was a light novel by the author, Li Zi from the bridgehead. The general plot of the novel was: The world had become interesting now that the pirate had become Ace, who had just eaten the roasted fruit. ---------------------------- "The Age of Pirates: The Hunter" was a light novel by the author, You Can't Catch Me-a derivative doujinshi novel. The general plot of this novel was: I haven't seen One Piece, but I've transmigrated to the world of pirates. Andy, who had lived an ordinary life for 18 years and longed to become stronger, participated in a Demon Fruit auction. The Hidden Fruit of the Black Beard! The legend of a generation rose! PS: Momosuke will die! P.S. Ace won't die! ---------------------------- "Great Voyage: Appraiser on the Boat with a Grass Hat" was a light novel by the author, Breeze Swallow Returning to the Nest. It was a derivative doujinshi novel. The general plot of the novel was as follows: Traversing the pirate world, carrying the treasure appraisal system with him. The apple had been identified as a Demon Fruit. The gold coin was appraised as a Coin of Fate, which could block three fatal attacks. Ace's necklace was identified as the Flame Emperor Necklace. The wearer's flame effect was doubled. The bead could be controlled to turn into a huge fireball to pursue the enemy. Anyone who hit the enemy with the bead could recover their own vitality. The Arabastian Golden Scepter has been identified as the Scepter of Horus. It can be used to exchange the ability of the Devil's Fruit between two people or items that possess the Devil's Fruit. It can only be used once! Smog's cigar, Nami's weather stick, and Usopp's slingshot had all undergone tremendous changes after being appraised. Even Eam sighed,"A fruit that is even more powerful than the Sun God Nika!" ---------------------------- "Lord of Ambition" was a fantasy novel written by Zombie Master. The general plot of this novel was: The protagonist, Alan, brought the golden bead to this foreign continent and became a lord. Every lord was searching for the magical plants that could bring strength and wealth, such as the Fire Wood Vine, the Fire Barley, the Frost Pear… There were many human countries with constant conflicts. Knights could fight against a hundred people alone. The sea demons believed in the Sea God, the Giant North Sea Demon, who invaded the coastal borders of the human race all year round and ate humans. ---------------------------- The Mumu Fruit of One Piece was a light novel by Tianji Xiangao. The general plot of the novel was as follows: The young man who accidentally transmigrated to the pirate world and ate the wooden fruit-Walter. Walter had developed his own fruit ability through the Wood Evasion Ninjutsu of the Naruto Ninja. Join the straw hat gang and follow Luffy and the others to complete the greatest adventure in the world! From then on, a pirate who terrified countless pirates and gave countless navies a headache appeared on the sea-Wood Escape Ninja Ward. PS: No system, follow the boat. ---------------------------- One Piece: The Flame Emperor Ace was a light novel by the author, Watercolor Dark Cloud. The general plot of the novel was: He brought the Strange Fire System that was in the midst of breaking through and transmigrated to Fire Fist Ace in the Pirate World. You said that my flame can't compare to lava? I'm sorry, I used the 'Green Lotus Core Flame'…You're the Red Hound, and Blackbeard? Alright, then burn them all! ---------------------------- One Piece's Gas Fruit was a light novel written by the author, A Ray of Red Glow. The general plot of the novel was: This was a powerful natural gas fruit that had the characteristics of the Explosion Fruit, Burning Fruit, Smoke Fruit, Sickle Fruit, Poison Fruit, and Flash Fruit. It also had the ability to fly, sense, and be immune to poison. It was even necessary for survival in the wilderness and extreme exploration. The main character, Lan En. Mord was lucky enough to eat the gas fruit and became a gas person. He set out from the East Sea and ventured all the way with the son of the devil, Nicole. Robin formed the Pirates and followed the path of the former Pirate King Gol D. Roger to unlock the secrets of the historical text.

😋I recommend the following novels to you: 1. "Naruto's Calabash Brothers Legacy": After the protagonist transmigrated to the Naruto World, he obtained the legacy of the Calabash Brothers, surpassing the Calabash Brothers in the anime and becoming the God of Ninja. 2. "Naruto: Uchiha Ape: The main character is reborn into the Ape Clan. He possesses the Sharunan. There is no external power system, but it is full of mischief. 3. "Naruto: My Ninjutsu is Blackened": The protagonist transmigrated to the Naruto World and was bound to the Blackening System, so that the ninjutsu and blood that he learned were all blackened, and he became a supreme master. I hope you like my recommendation. Muah ~

I recommend 'Xuanyuan Sword Soul of the Other World' to you. The protagonist was a super mercenary who had transmigrated to another world and was reborn in the process of searching for the legendary Xuanyuan Ancient Sword. He had returned in a domineering manner. Not only did he have ruthless methods, but he also had the determination of a Supreme-Being expert. He had become one of the experts on the continent. If you like time-travel novels and like to see the protagonist rise to power in a new world, then this book must not be missed. I hope you like this fairy's recommendation. Muah ~😗

According to the information provided, I recommend the novel,"Ability Controller" to you. The main character has the ability to seal space. After transmigrating to another world, he fights with other ability users. The novel has more than 1000 chapters, which fits the description. I hope you like my recommendation.