After... follows  the story of Takawashi Yuuichi and his relationship with several girls. There is Nagisa the younger sister of Yuuichi. She loves her brother like a lover's way, but her brother knows that that kind of relationship is wrong between siblings. She would always have fantasies of Yuuichi while masturbating.

Youko was Kotaro's girlfriend and she has also had sex with Yuuichi. She is now pregnant after doing it with Kotaro...

Yuuichi also has sex with the school's female doctor one time when he was injured but is not sure if it really happened or if it was dream...

After... follows  the story of Takawashi Yuuichi and his relationship with several girls. There is Nagisa the younger sister of Yuuichi. She loves her brother like a lover's way, but her brother knows that that kind of relationship is wrong between siblings. She would always have fantasies of Yuuichi while masturbating.

Youko was Kotaro's girlfriend and she has also had sex with Yuuichi. She is now pregnant after doing it with Kotaro...

Yuuichi also has sex with the school's female doctor one time when he was injured but is not sure if it really happened or if it was dream...