I Became a Murderer in the Academy. - Chapter 4: Scary Old Men.

Entering a clichéd female novel world by accident. As long as he changes the negative perceptions of four female protagonists towards men, he can return to the real world with a reward of one billion. At first, Ji Mu thought this was a way to get rich, but as time went by, he gradually realized that something was wrong.“System, didn’t you tell me that these female protagonists extremely despise men, and no matter how good I am to them, it would purely be a friendship?”As Ji Mu looked at the few female protagonists in front of him, their cheeks blushing, their eyes filled with pink hearts, and constantly closing in on him, he broke out in a cold sweat, shrinking into a corner and shaking.“I’m going to ask you one last time, are you really sure that this is just pure friendship?”[Host, forget about friendship, do you know what a juicer is?]Faced with the system’s sudden nonsensical question, he swallowed nervously, feeling an increasingly ominous premonition.“W-what do you mean?”[Just a friendly reminder…]The system paused, its tone filled with helplessness and despair.[All four of them are in front of you.]…If you were simultaneously pursued by beautiful girls with different personalities, what would you choose?Only children make choices; normal people know to turn around and run.“I can’t even handle one, let alone four!”Ji Mu desperately clung to the doorframe and struggled in desperation before being dragged into the room: “System, save me!!!”

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

An era where every person in the world can see ghosts.Only I cannot see ghosts.

I was reborn into a chaebol family.Into a time with no cryptocurrency, no internet, and nothing else.