MTL - My Star Wife is From Myriad Realms - Chapter 152

After dying in an oddly anticlimactic vending machine accident, Kazuki Ren is reincarnated in the demon realm—not as a hero, not as a villain, but as the only human male student enrolled at the mysterious Academy of Ruin, a school where all the professors are demon lords and all the students are powerful, beautiful she-demons.Ren is told he has one task: survive.But there’s a catch. The Academy’s darkest secret is about to awaken, and Ren holds a hidden power that could either destroy the demon world... or rule it.Now surrounded by seductive demons with hidden motives, eldritch tomes, forbidden dungeons, and twisted exams, Ren must master his ability—or be consumed.Magic, mystery, danger, and temptation await in this dark academia harem fantasy.

Chi Yue had never thought that the man she provoked while drunk would bring disaster upon her; if possible, she would rather have never met him at all.—“The day I'm released from my sentence, I'll marry you.”Chi Yue, dressed in a red dress, smiled seductively, “Fine, as long as you have the heart to send me there, as long as you can marry me on that day.”He personally had her incarcerated; the day he was released, all he received was her urn.

For the man’s promise, Xiao Chen returned strongly, the bodyguard of the body of the beauty president, sweeping the enemy of all directions, composing the legend of the king!

- Description from Uukanshu (translated)

A high school student that has lived as a mob-character ―― Mimori Touka