Ep. 20: Aoba and Mizuki begin their Seishu High School life with baseball and romantic confusion.
Aired on August 16, 2009

20
Aoba and Mizuki start at Seishu High School, where Mizuki gains popularity among girls, annoying Senda. Aoba joins the baseball team as a pitcher, motivating teammates to avoid losing to her. Mizuki and Aoba discuss Wakaba, leading Mizuki to realize Ko is Wakaba’s boyfriend and wonder about his pitching speed. Momiji questions Aoba about Mizuki’s attractiveness, then recalls Ko and Wakaba, silently apologizing to Wakaba. Mizuki rejects several girls by claiming love for Aoba and denies rumors about Aoba and Ko. During practice, Ko reveals Aoba’s hidden twisted ankle, prompting Aoba to expose Ko’s stiff left arm. Mizuki helps Aoba home, affirming his serious feelings for her.
Episodes
- Ep. 16 · Daimon confirms job security while Ko dominates the game with strategic pitching
- Ep. 17 · Azuma advises Ko to jog, while Aoba dates five boys to deter suitors.
- Ep. 18 · Aoba declines an audition while Risa trains with Midori and improves her pitching skills.
- Ep. 19 · Ko visits grandparents in a snowstorm and discovers Mizuki, Wakaba's son, moving in with the Tsukishimas.
- Ep. 20 · Aoba and Mizuki begin their Seishu High School life with baseball and romantic confusion.
- Ep. 21 · Rumors of Mizuki and Aoba spread while Seishu plays its first game.
- Ep. 22 · Aoba Agrees to Pitch for Satomi Girls' School Against Oka University
- Ep. 23 · Aoba pitches for Satomi against Oka, leading to a narrow loss and national team consideration.
- Ep. 24 · Ko scouts Ryuo Academy and supports Aoba on Wakaba's seventeenth birthday