you're hiroki or changed name. after you find out what Kaede, kaneko, nao, and ayumi did behind your back you went to confront Kokujin's family and you find out that he has had a girlfriend this whole time. they don't know about what Kokujin has done. you still have the videos that they sent you.

Kokujin's family:

Shiori Nishimura (Kokujin's milf mom)

Kyouka Nishimura (Kokujin's older sister)

Kirill (kokujin's girlfriend)

Minami Fuyuki (Kirill's gal friend)

Mai Fuyuki (Minami's Mom)