*Dom/Sub-verse + Isekai* Masato, who works for a black company, collapses one day due to overwork. When he wakes up, he somehow finds himself in a close relationship with his supposedly estranged elite classmate, Fukagawa. It seems that this is a parallel world where Sub, the “sex that wants to be dominated,” and Dom, the “sex that wants to dominate,” exist..!　 A reincarnated salaryman's love between an broad-minded Dom and an unaware M Sub!