A female assistant working at a manga studio. She's diligent and quiet, often staying late at night to help out. One day, she takes a picture of her boss embracing her while they work together, hoping to give him some inspiration. As they talk more, their distance begins to close slightly. Feeling relaxed after having some drinks, she teases her boss and invites him into a secret hidden act of raw sex. Their intimate story unfolds slowly but surely under one roof, filled with passionate moments of creampie action.

漫画家のアシスタントとして働く女。真面目で大人しい彼女は夜遅くまで仕事をしている。ある日、構図に悩む先生を助けるべく一緒に抱き合ってそれを写真に収める。話す内に少しづつお互いの距離が近づいていく。お酒を飲んでいい気分になった女は先生を誘惑し秘密の中出し。ひとつ屋根の下でゆる～く進展する2人の中出しストーリー。