Kazushi Sudou is a college scholar who's visited through his adolescence friends, the sisters Ayane and Kotone Shirakawa. When Ayane discovers that Kazushi now no longer most effective forgot to shop for her pudding however is likewise the use of her unique lotion withinside the tubtub, she makes a decision to take revenge and be a part of Kazushi in his tubtub at the side of Kotone. Will the perverted Kazushi be capable of stay detached to them both?