Are there any novels suitable for middle school students that I can recommend?

Traveling through the Xianxia world, Chen Chen obtained the strongest tracking system and was able to track everything ever since. Chen Chen says, "System, I am short of money." "Two meters away, your father has hidden some money under the bed. Five meters away, there is a rusty copper coin buried half a meter underground." "There is a nugget of silver in the grass ahead." Chen Chen says, "System, I need some luck." "The feces in front of the pigsty is not ordinary." "Go to the Black Peak cliff ten kilometers away and jump off it." "There is an Immortal Cave Abode hidden somewhere, please explore it on your own."

[Alternative tittle: I Can Duplicate Everything] One day, a friend asked him, "Brother Qin, why aren't you cultivating?" Qin Yi smiled gently and said nothing. Cultivating? Why should I cultivate when I can extract Cultivation Points from you? With Cultivation Points, I can upgrade my cultivation base at any time. Not only Cultivating Points, but I can also extract your Spiritual Mind, Body Essence, Artifacts, Pills, Bloodline, Special Physique, and others. So, tell me, why should I cultivate?

A chance to change, challenge destiny, make dreams a reality, and live a legend! A regular man gains a system that allows him to turn into a fish! In the modern world, a young man gains an unconventional system that gives him the power to transform into a fish! With this strange power, he shoots for the stars!

Qin Lin was playing a nostalgic game called “Ranches Story” when he was electrocuted. He suddenly discovered that he had the ability to enter into the game. He could even bring a watermelon he had planted in the game back to reality. At first, his plan was to sell watermelon for 2 yuan a catty. In that case, he could earn 20,000 yuan by planting 10,000 catties worth of watermelon in the game every day and selling them in reality. Later on, he discovered that by leveling up his ranch, he could obtain high quality crops that surpassed that of the real world. If he reared livestock, they were of far higher quality than that of reality. After he built factories, he obtained various recipes that far surpassed that of the real world. Everything changed after that.

When Su Mu woke up, he realized he had been transmigrated to a game and became the lowest-ranked NPC, a farmer. In a world of endless war, Su Mu would not be able to protect himself as a farmer. However, he suddenly came to realize that he could change his job as many times as he wanted. In his first job change, he became a Militia and gained the ability to fight. In his second job change, he became an Archer and gained the ability to make long-ranged attacks. In his third job change, he became a Lancer and gained the ability to pierce armors. In his fourth job change, he became a Heavy-armored Knight and gained the ability to switch between defense and attack with ease. In his fifth job change, he became a Holy Knight and gained the power of Holy magic. Su Mu completed countless job changes and managed to gain infinite power. When the game and the real world merged, Su Mu was already the renowned Dragon Rider that had conquered lands and built the strongest kingdom to have ever existed.

A war hero turned teacher accidentally unleashes an ambitious vampire who wants to dominate the world.