Houseboy: (a BDSM terminology) A submissive who keeps the house clean and may just be a sexual plaything whenever the Dominant wants.
or Rain notices his Master Phayu being overworked and decides to be a good plaything for him.
Rain is new to the neighborhood and has been warned to stay away from Phayu, known subordinate of Mafia boss, P'Pakin. Rain may be a good boy, but who can resist the attraction of a bad boy alpha?