Episode 1
Sakura grows nervous when her boyfriend invites her to his house. Having no experience with sex, she turns to her friends to help her prepare.
Episode 2
Tsumugi gets invited to the movies by a male childhood friend she hasn’t seen since junior high. At the end of the night, she comes to a realization.
Episode 3
Yuna excitedly tells Sakura and Tsumugi about her new 26-year-old boyfriend, but when her stomach begins to hurt, they fear that she is pregnant.
Episode 4
Sakura hears odd sounds coming from her mom's room. She tells her friends about it but is shocked when Yuna suggests her mom is using a vibrator.
Episode 5
Feeling confused about Yu's sexual orientation, Sakura consults Tsumugi and Yuna. Later, she blames herself when rumors about him spread at school.
Episode 6
When Yuna fears her boyfriend is cheating on her with a larger-chested girl, she follows him and is horrified to see him entering a brothel.
Episode 7
Tired of her father asking her about her love life, Tsumugi decides to enter a speech contest to win a scholarship and move out as soon as possible.
Episode 8
Sakura worries about her friend Narumi after learning that Ryusei got her pregnant. When Narumi faces expulsion from school, Sakura makes a bold move.
Episode 9
Following an argument with her mom, Sakura runs away from home. The next day, she returns with Yu to speak to her mom about their relationship.