to mingle come true desire and her shortcut the swimming staff that swimsuit look good. But personality and become just the two of people are trained to her obsession M man to toy cursed me in the eyes from above always rather tight. Package and saw the first time in the first "de S girl" of the slender but is actually athlete of hidden muscle girl "Ai Mukai" is without doubt be thrilled the M man's feelings. ショートカットと競泳水着が似合う水泳部員の彼女と念願叶い付き合うことに。しかし2人きりになると性格がキツくいつも上から目線で僕を罵倒しオモチャにする彼女にいつしかM男に調教される。パッと見スレンダーだが実は体育会系の隠れ筋肉美少女「向井藍」の初「ドS少女」ぶりはM男心をゾクゾクさせること間違いなし。