Shisen No Toriko summary:

1-3) Yokoya Masumi gets aroused from being watched, that's why he started working at a crossdressing bar as Jun. One day he gets discovered by Hondou Keigo, a kouhai who joined recently but already makes Yokoya go crazy with his stares.4) Kumabe Mizuki is openly gay and confides everything about his search for a good sexual partner to his also gay teacher, Miyazono Toyoaki.5) Yanagawa Yoshiharu reunited with old friend Hirua Tomoki and doesn't hold back his curiosity after hearing a rumor that Tomoki is gay.