Yuzu, a schoolgirl who has fallen in love with a perverted uncle, runs away from home and starts living together at her uncle's house. The uncle was a metamorphosis who got excited by strangling his neck with an S-minded personality and blaming Yuzu in play while loving Yuzu such as restraint, deep throating, spanking. Yuzu, who loves such a perverted old man and can't help but feels good every day while being trained, lives together with Icharab.
