Ai no Sonzai Shoumei

The first person who ever offered me love
was the father of one of my students.

I knew it was an untenable relationship.
But I closed my eyes and drowned in you.
...until the day "he" found out.

"Even the good teacher can have a bad affair"

(Source: xxLaLa, translated)

Note: Originally released as a one-shot, it was picked up for continued serialization starting 2022-02-09.