Kujibiki Tokushou: Musou Hāremu ken - Chapter 286

This story is about a rookie researcher, who was forcefully dragged away from his restful life, compelled into facing various killers and zombies, always having to risk his life at the brink of death, and finally becoming an advanced researcher that is acclaimed by all. And throughout his adventure, he met an alluring(?) killing machine, who he started to have fantasies on after they had an accidental kiss…

Xiao Yan: Did I fall for him? But he’s a man!

Maya: Who knows…. maybe it’s the other way round?

- Description from Novelupdates

Everyone knew Shen Nianshen so well.
In this world, there would probably be no female creatures that could enter his heart. Even the most beautiful girl in the school was coldly rejected.

Until one day, when there was a basketball match at the school. In the front row of the audience, there was a girl whose head was accidentally hit by the ball.

Shen Nianshen immediately ran to her. Everybody thought that he only went to get the ball. Unexpectedly, he squatted down in front of the girl, stroked her head gently, and asked anxiously, “Does it hurt?”

This a sweet love story between a cold guy and a lively girl.

- Description from Novelupdates

In the blood-soaked shadows of Ancient Japan, one name struck terror into the hearts of daimyō and demons alike.Akira Minato, King of the Shinobi.He slaughtered ten thousand Taira Samurai with his bare hands.He burned Demon Temples, butchered Shoguns and painted shrines with their entrails.He was the true legend of Japan, the nightmare everybody prayed to be delivered from.One quiet night, while chasing a mysterious treasure, he stumbled upon the Ultimate Oni. His escape plan backfired, and he was forced to seal it with his own soul, accidentally dying in a so-called “glorious sacrifice.”And then he woke up in 2025 Tokyo.In a teenage body.Wearing cat-print pajamas.With his powers sealed.And outside, monsters were growing more aggressive.JINKOKU, the Monster Hunting Authority of Japan, was recruiting anyone who can fight them… even if they keep asking dispatch for backup to fight 'those cursed giant centipede monsters under the station.'With no powers, no money, and no way home, Akira Minato had no choice but to take up the blade once more, this time as a registered monster hunter.He would reclaim his strength, find a way back to his era, and if fate was merciful, win the heart of the girl who looked exactly like the one he failed to save.Same voice. Same face. Same name: Princess Yuki.He was once the hegemon of the ninja world.Now he’s broke, underpaid, and hopelessly in love with the nation’s Princess.But even in this ridiculous age…You will call him Shinobi-sama.

A story about a weak, small larva with a human soul, who travels all the way to become the ruler of the stars.