Mote Papa to Dakaretai Junjou Koushi
モテパパと抱かれたい純情講師
A university student named Oda, after realizing he is gay, seeks a sexual encounter and connects with a man through a dating site. The man is well-mannered, prompting Oda to nickname him "Casanova." Their initial plan was for a one-night encounter without revealing their identities, but despite this, Oda finds himself unable to forget the man.