MILK-110 Seducing sister's boyfriend with a wet, sloppy French kiss. A cunning, affectionate kissing fiend. Morihiko Jinako

The super popular Morihiga Ko is driven mad by her cute and cunning little sister! One day, her boyfriend comes over to play at their house. The boyfriend-less Higa Ko can't help but feel jealous as she watches her sister show him off. Unable to control her impulses, Higa Ko seduces her sister's boyfriend with a sweet voice. Transforming into a clingy kiss maniac, Higa Ko's lovey-dovey attack sends the boyfriend into overdrive! He ends up going at it like crazy behind his girlfriend's back.