
Overview:
Natsuo Fuji has a serious crush on one of his teachers, Hina Tachibana, but since he knows he has zero chance of ever being in a relationship with her, he lets his friends talk him into going to a party where he meets Rui. One thing leads to another and then, well, neither of them is a virgin anymore. Unfortunately, it wasn't what they expected, but that's fine. They're just ships passing in the night and they'll never have to see each other again, right? Except when Natsuo's father announces that he's getting married again, Natsuo discovers that he's getting two new step-sisters as well. Now there's a problem, because one is his teacher, Hina, and the other is Rui.
(Source: Sentai Filmworks)
Characters and Voice Actors

Natsuo Fujii
MAINTaku Yashiro
Japanese

Rui Tachibana
MAINMaaya Uchida
Japanese

Hina Tachibana
MAINYouko Hikasa
Japanese

Shuu Hagiwara
SUPPORTINGDaisuke Hirakawa
Japanese

Tsukiko Tachibana
SUPPORTINGYurika Hino
Japanese

Momo Kashiwabara
SUPPORTINGHaruka Yoshimura
Japanese

Fumiya Kurimoto
SUPPORTINGTakuya Eguchi
Japanese

Kazuyaki Kine
SUPPORTINGGakuto Kajiwara
Japanese

Miu Ashihara
SUPPORTINGKonomi Kohara
Japanese

Akihito Fujii
SUPPORTINGNobuo Tobita
Japanese

Reiji Kiriya
SUPPORTINGHikaru Midorikawa
Japanese

Masaki Kobayashi
SUPPORTINGKenjirou Tsuda
Japanese

Ayano
SUPPORTINGMikako Takahashi
Japanese

Jun Fujii
SUPPORTINGMai Nakahara
Japanese

Kiriya no Tantou Josei Henshuu-sha
SUPPORTINGSayuri Yahagi
Japanese

Alex J. Matsukawa
SUPPORTINGTasuku Hatanaka
Japanese

Youta
SUPPORTINGAtsumi Tanezaki
Japanese
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