Can you recommend a novel in which the protagonist is invincible in acting tough, doesn't hide his strength, doesn't hold back his trump cards, and doesn't explode after being beaten up?

Time stopped at eighteen for Ji Yi, and now all she wants to do is pick up from where she left off. Her career depends on it, and on top of that, she has to survive a fake marriage turned real! Some missed opportunities are irreplaceable, and some misunderstandings between them have proven near-fatal, but for He Jichen, he isn’t just a pretty face—he’s an opportunist. They may have lost their prime years together, but He Jichen is more than willing to spend his remaining years with her. If only she would just trust him… Will Ji Yi be able to find true love in this life? Can she outmaneuver all the snakes plotting her downfall? Only time will tell...

Hiding in the Cold Palace and eventually becoming a Boss of Sorts Li Mu was transported to a fantastical world and became a measly eunuch of the State of Xia. Despite having initially thought that his life would be a miserable one, he had unexpectedly acquired a check-in system. Ding, successful check-in at the cold palace. ‘Zaohua Sutra’ acquired. Ding, successful check-in at the Imperial Dispensary. Xiaohuan Pill acquired. Ding, successful check-in at the Library Tower. 50 years’ worth of power acquired. … He had initially thought that the world would be a dangerous one, and that he would never venture outside without first becoming the most powerful combatant in the world. However, riots taken place at martial art sacred grounds 60 years later, and countless formidable ones attacked the Royal Palace of Great Xia…

“Commander Lu, there are rumors that we are sleeping together, we have a fling!” He looked up from under the blanket and slowly got up. “What do you want from me?” “Deny it, say it’s fake, stop it from spreading…” He pushed her against the wall, blocking her mouth by a rough kiss. “Mrs. Lu, we have to substantiate the rumor.” Before she was born again, what she had been doing was staying away from him! After she was born again, what she always wanted to do was give him offsprings! Lu Xingzhi strived for two personal mottos his entire life: First, it was illegal to undermine military marriage. Two, Jiang Yao was his in this eternity, till death do they part.

Wang Yi had just transmigrated when he experienced being cheated on, going through a divorce, and being kicked out of his home. These were events faced by a useless male character. However, he soon discovered that this world seemed out of sorts. There were martial arts grandmasters and martial arts clans? Fortunately, he activated the Martial Arts Sign In System. [You have successfully signed in and obtained the Dragon Elephant Wisdom Technique. Please cultivate according to the instructions.] Thus, Wang Yi kept signing in until he leveled up and became a martial arts grandmaster. After that, he discovered the truth behind his wife’s affair.

Being taken away of all his freedom, Noah was thrown into the jail accused of a murder he hadn't committed. This incident broke his personality permanently, getting out of the jail Noah started living as a shut-in giving up at everything.  Noah read novels as a mean to pass his time, while reading novels an particular novel caught his eyes, it's name was 'the hero of velveric fights the demon lord' 'It's a harem novel......' That was what Noah had thought in the beginning but, it all changed at the end of the novel.  'What the Hell's with this crazy novel!' The protagonist and all his harem members were killed and in the end the demon Lord took over the world.  It was then, after finishing reading the novel, Noah started coughing out blood and succumbed to his lung disease. Opening his eyes Noah found himself in a body of a 8 year old kid of the Melvix family which appeared in that crazy novel. He was known as the garbage of the Melvix family by all the knights and family members but that didn't matter to Noah. What matter is that- 'It's impossible to survive in the novel if you are not strong enough......' ********************************************** The cover used for this novel isn't mine. if you are owner of it and want to remove it please inform me.

(Extended Hiatus) Being a socially inept terminally ill person for most of his life, Simon dies after completing his novel. What is waiting for him? A cliche mess that he had written himself. Watch as he becomes OP through his knowledge and random coincidence. “Why did I make my MC an edgelord?” “Why does this system make me too OP?” “Why am I bored?” “Why did I put harem in my novel?” Read before the MC drops this novel himself!