For a job transfer, Ryo moves back to the town he grew up in. He is reunited with good-looking brothers Hajime and Yoji who he grew up with, and he's excited about the start of his new life. -- And that's when it all begins.... He gets drunk with Yoji, and wakes up the next morning to find himself chained and naked! Not only that, he begins to swell up with their repeated fondling.... When Yoji sees Ryo's suffering face, he tells him, "Don't you remember that you are our pet?!"