Koori ga Tokeru no o Matteru by UEDA Niku [Eng]

Manga: Koori ga Tokeru no o Matteru
Author: UEDA Niku
Language: English
Plot: As part of a losing a bet, Mitsuya has to stand at a popular spot for gay cruising. And he is approached by salaryman Saitou and invited to a hotel, where Saitou proceeds to masturbate in front of him.