“That’s … don’t you have sex?”-
The main character, Tomohiro Takabe, accidentally has his first experience in the infirmary after school with his classmate Mina Hayase, who was close to each other.
While being upset by the unexpected appearance of his classmate Mina, he drowns in the body of a woman he knew for the first time, and continues to have a sly relationship.
“This kind of relationship has been around for a long time, uh, uh, sex friends …”
