The Scholar's Reincarnation
Martial arts master reincarnates as a young lord, still retaining his strength and knowledge of the arts. Lives out his life as a noble fighting (literally) corruption, sometimes calling out to old acquaintances for support.
Cherry Boy, That Girl
Protagonist begins as a spoiled brat but evolves into a genuinely likable character. Meanwhile, her ex-boyfriend socially isolates her and tries to bring her back under his control.
Survive as the Hero's Wife
Girl goes back in time to before her marriage to the second prince. She must change her actions to avoid a death flag!
My Student Can't Be a Psychopath
Student goes to the school nurse saying he's a psychopath so she'll treat him. Really, he just wants to spend time with her. This student can't be a psychopath... or is he?
A Returner's Magic Should Be Special
Man goes back in time after surviving the end of the world. He is determined to train his old comrades so everyone can survive together!
Here U Are
College boys fall in love and deal w/ real issues.
I'm Yours, Blood and Soul
Vampire and devil accidentally end up forming a bond while hooking up/looking for a meal, they fall in love and try to avoid being charged in a serial murder case. Side pairing is meh.
Sigrid
MC used to be a royal lapdog but was beheaded as part of the emperor's schemes. She goes back in time and decides to live life according to her own wishes instead of as a "proper knight."
Empress of Another World