Strongest Survival by Otome Game’s Heroine (LN) - Chapter Volume 5 4: Academy’s Lesson

A striking man of mysterious origin and peerless talent, he looks back at the world, in all its entirety, with utter disdain. And yet, in the treacherous and unpredictable ultimate formation of the Boundless Secular World, he guards a breathtaking ancient qin with broken strings, waiting silently for the destined one to arrive!

「Shimizu-san, you dyed your hair black.」「Ah, yes.」「Why did you dye it all of a sudden?」「Because…yesterday…」Shimizu-san, who sat next to me and had dyed her hair from blonde to black gradually lowered her voice, slightly blushed, and laid her face down on the desk.

Yi Ti resented her name. From an early age, she couldn’t get away from the nicknames “ET” and “alien”.

But no one thought that one day, she would actually meet an alien.

Scared by the other, it seemed like she screamed……

She fainted, then fell face down or something like that……

She seemed to have gotten a bloody nose from being knocked out……

She doesn’t remember any of this!!!

The only thing she cares about is that after she fainted, the alien actually dragged her, chest down, back home – does the alien not feel ashamed?!

- Description from Novelupdates

Ein was a hitman on hire. A killer, a shadow, a death with insomnia, if you may.He had witnessed countless pairs of eyes dim as the light of life faded, leaving nothing but vile hollowness. Needless to say, the sight of a soul popping out of the dead body was a first.And it wasn't just any soul. It was the dead heir of Byers Holdings, the same guy he killed with his own hands. Turns out the rich boy Adriel had a horribly irritating and loud soul, but worst of it all - impossible to get rid of.Who would have thought that killing on a blue moon night could lead to being haunted?