Sad Temptation (1999)

- Both movies are about a cheating husband
- In both the husband fells in love with a much younger boy
- In both the MLs met in their workplace
- In both their lives change a lot after they met
- In both their relationship is quite innocent
- Both have a beautiful cinematography

- Both movies are about a cheating husband
- In both the husband fells in love with a much younger boy
- In both the husband has a child/children but he doesn't care about them
- In both the husband feels sad, pathetic and hopeless for most of the time
Note: "Kuroi Gashu: Shogen" is way darker than "Sad temptation" and the relationship between the two MLs is a bit different (in "Kuroi Gashu: Shogen" it's mostly a sexual relationship, in "Sad temptation" it's a slightly romantic bond).