Amazing training of younger men through SM matching. In a world where matching between sadists and masochists has been institutionalized. Masachika (M), an office worker, is introduced to a younger university student, Seiji (S). He intends to take the lea

Renta:Sachio Kurumizawa is an omega mouse manga artist, and Ukano, the alpha fox, is his editor... but Sachio can't help but feel uncomfortable around Ukano.He always seems to look at Sachio with predatory eyes.One night, Sachio goes into heat at an omeg