影片原作是中村珍所著的女同漫画《群青》，讲述永泽和篠田两个女性之间的爱恨纠葛——永泽从高中时代起就爱慕着篠田，篠田在结婚后受到丈夫的家暴，一句“你帮我把他杀了吧”，让永泽成为了杀人犯。
Kiko Mizuhara
Rei Nagasawa
Honami Sato
Nanae Shinoda
Yoko Maki
Mika Oe
Anne Suzuki
Yu Nagasawa
Shunsuke Tanaka
Masato Nagasawa
Tetsushi Tanaka
Yoshio Akiba
Sara Minami
Young Rei Nagasawa
Yui Uemura
Young Nanae Shinoda
Shinya Niiro
Kotaro Shinoda
Setsuko Karasuma
Ichiko Oe
Jason Brock
Business Man
Harmeet Obhrai
Good Looking Bartender
Artemis Snow
Nanae (voice)
