MIDNIGHT PRINCE: Empire of Sin - Chapter 318 CH 303: HI! HOW HAVE YOU BEEN?

Usami is a beautiful classmate with good morals and top grades. At school, she views Sakuto as her rival. But when he bumps into her after school, he sees a different side of her. She was playing at an arcade after classes, and she had this innocent smile that one couldn’t imagine on her at school.For the sake of getting along with her, he gets close to her at school and then plays together with her after school. They each have their places where they can deepen their bonds, and at last…This is the start of a heart-warming love triangle romcom!

Any MILF can be claimed as long as he writes their name in the book.That is the rule Renji abides by ever since stumbling upon the Milf Note; a mysterious notebook with magical powers that makes any woman—aged over thirty—burn with uncontrollable desire for him as long as he writes their name on its pages.From his seductive neighbors to his bossy professors, every name Renji writes unleashes a new, pulse-pounding conquest. Every MILF he claims unlocks parts of him he never imagined.But as he claims more MILFs, the big question is asked. Can he claim the demon MILF who created the notebook in the first place?

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

In a world where cruelty reigns and only the ruthless survive, Arthur—a boy born in the gutters of a city ruled by monsters—knows only one truth: power decides fate. Shackled by the past, driven by vengeance, and desperate to carve his own path, he plunges into a brutal struggle for dominance. But as blood stains his hands and the lines between man and beast blur, Arthur stumbles upon something far more dangerous than war—fragments of a life he was never meant to have. A name. A home. A reason to fight beyond survival.But is survival enough, or will he become the very thing he swore to destroy?