[Machine Translation] Aha...brother, brother, brother, brother... "If you don't want to be told that you are a woman, be my dog..." Thus began the humiliating master-slave relationship between Tachibana and Haruki. However, Haruki's punishments are only small and nasty... Then Haruki's twin brother, Haruka, appears in front of them. Haruki's attitude changes drastically in the face of Haruka, who adores her brother to an unusual degree...! Tachibana cuts into their relationship!