The Day of The Dog

In the world where boys as young as 12 are taken in as pets for Masters who want to prey on their bodies,Sakuya didn't understand what was life without one. Eisuke loved him very much but one day,sweet romance took a turn to rough dominance when his cousin showed up. He later ends up in a car accident,dead and leaves his pet with his friend Asami who later sought to receiving an abandoned pet from a dealer. He paid much more attention to him since he was smaller and much more fragile. Sakuya and Jason get along to please their Master with joint effort. How long will the bond between Asami and his pets last?