Big tits mother daughter creampie cohabitation life - Conceived the daughter of relatives who grew up in beauty and their mother to masturbate!～

Non-popular and low income, the hero who is stronger than others only sexual desire even if still a virgin.
Yae is the daughter-in-law of a high-income elite brother who is the exact opposite of himself, and had been living a life that is horny every day to the daughter of Fumino.

One day, such a younger brother will cause an accident.
The main character who became a scapegoat in the name of protecting his career uses that to approach Yae and succeed in framing.

Although it is a serious and solid character, YAE who has a hidden masochist propensity is made to cum many times by onaho treatment, and falls.
Fumino who is a daughter is also made to dedicate to Yae who became a convenient masturbator――
In this way, Onaho life was conceived of a dream to sow the best beautiful mother and daughter at will.

非モテで低収入、いまだ童貞でも性欲だけは人一倍強い主人公。
自分とは真逆の高収入エリートな弟の嫁である八重と、その娘の文乃に日々ムラムラする生活を送っていた。

ある日、そんな弟が事故を起こしてしまう。
彼のキャリアを守るためという名目で身代わりになった主人公は、そのことを利用して八重に迫り、ハメることに成功。

生真面目でお堅い性格だが隠れマゾ性癖のある八重はオナホ扱いで何度も絶頂させられ、堕ちてしまう。
都合のいいオナホとなった八重に娘である文乃も捧げさせ――
こうして、最高の美女母娘を好き勝手に種付けしまくる夢の孕ませオナホ生活が始まるのだった。