Momo, a college girl who only had sex at her boyfriend's place every day. One day, she got a noise complaint from the smelly old man who lived next door, and her hot-headed boyfriend retorted using the stench as an excuse. This incident led to Momo being held a grudge by the old man. Unable to tell her boyfriend about it, she was forced to endure the disgusting old man's filthy cock and drown in his stench...