Konna Otoko ni Dare ga Shita(2003)

Konna Otoko ni Dare ga Shita

1. Who Made Him Such a Man?
When a young dashing teacher visits his pupil's home, he encounters his old classmate who disappeared on him one night, and has now reappeared as his student's debt collector (continuation in chapter 4 of Special Summer Vacation).

2. 37°C
A friendly pharmaceutical salesman visits the room of a doctor who caught the flu. The doctor buys medicine in return for the salesman's sexual service. But the salesman turns out to be an old acquaintance...

3. Costly Ecstasy
An office worker who got downsized is picked up by a street-smart university student and gets an image overhaul. He tries to take revenge on his old colleague who stole his girlfriend, but the colleague turns out to be a lot more than just that...

4. Black Door
The antisocial student who has a somewhat demonic nature is confined in a room by a seemingly good-natured teacher who decides to commit suicide. With this teacher's so strong obsession, the student forgets his hatred for society...