I Became a Murderer in the Academy. - Chapter 72: Starlight.

Quinn Winter is a young man from another world. One day, he is suddenly chosen to become the new Demon King. But the Demon Kingdom is in big trouble – it's losing a terrible war against the human kingdom called Gran'le.To help his people, Quinn comes up with a risky plan. He will sneak into Gran'le and learn their secrets. But things don’t go as planned. A powerful noble sponsors him, and he ends up joining Heavenward Academy, the top school for training future heroes.At the Academy, there's a big challenge called the Selection. The best students become Paladins – magic knights who fight demons. Quinn doesn’t want to become a Paladin. He is a demon king! But now, he’s stuck in the Selection… and if he wins, he’ll become the very thing he’s supposed to destroy.He started the day badly. Now, things are getting even worse.

I don’t know the length of Hydra, or the depth of S.H.I.E.L.D.

I don’t know that Ant-Man has an outfit, and I don’t know that the Winter Soldier has an iron fist.

I don’t know that there is chaos in the Bliss Space, and I don’t know that Miss Xiaoyu wants to get married.

I don’t know if the walking corpse is cheating, I don’t know whose fault the alien is.

I don’t know the legend of mutants, I don’t know that Kryptonians can’t afford to provoke them.

I don’t know that Black Panther’s family has a mine, and I don’t know that Iron Man is a mess.

I don’t know what happened to Lei Shen’s family, and I don’t know that Thanos is thinking about making troubles.

He doesn’t know the past or the way forward, he only knows that he stands firm at the critical moment and cannot be cowardly.

- Description from novelbuddy

A teen is summoned to another world as the Hero. It turns out the Hero can power up women with his cum.

[First monster slain. Special rune obtained. Level 2 has been reached.]