The protagonist needs to find a way to repay his debt to Rinnosuke as he accidentally ruined a pair of "female-scented" socks while browsing the Kourindou, to avoid having to work there for free for all his life.
On his way home he meets Clownpiece, the hell fairy. Upon taking her to the Kourindou, Rinnosuke suggests he can get her help to make another pair of "female-scented" socks.