Chijutsu Kaisen.

A chaotic world where desires swirl ... A young man who has eaten a special-grade lewd thing and has harbored the soul of a ghost king is transferred to a lewd school. While starting a special training ahead of the exchange meeting with the Kyoto sister school, he was devoured by the runaway carnal vessel and the word blame of the Dirty Talker, and ended up with his longing teacher and "super death development". … After a fierce lewd battle that unleashes sexual skills, it falls into a whirlpool of desires….