akari niimura, a slutty woman, meets yuna kitano, a glamorous big-breasted woman who is nervous about her first lesbian experience. yuna confesses that she gets excited when her neck is choked, which ignites akari's sadistic spirit. akari kisses yuna while choking her and verbally abusing her, causing yuna to moan with a blissful expression. eventually, yuna experiences intense orgasms through bondage and neck-choking, and she cries from the overwhelming emotion.