A snack bar in a back alley, driven to financial difficulties because it can't actively attract customers due to the trend of self-restraint. Seeing that only regulars are coming today, she serves customers in a see-through dress. There's no way to maintain her rationality, she's approached by a regular and readily accepts a raw sex service in the store. A gang bang with friends called in by Nao Mama's rosary-like customer acquisition technique. Nao Mama's lustrous sweet voice echoes in the silent store.