Ep. 15: Hikari's Promised Date with Kei Interrupted by His Fiancée Sakura
Aired on July 14, 2008

15
Hikari is obligated to accompany Kei on a Sunday date, fulfilling a promise made while he recovered from a fever. Their outing is abruptly halted by Sakura Ushikubo, identified as Kei's future fiancée, who removes Hikari from the situation and befriends her instead. Hikari agrees to assist Sakura in gathering information about Kei. Through this involvement, she starts experiencing inexplicable emotions toward him, complicating her initial obligations and feelings regarding the young man.
Episodes
- Ep. 11 · Tadashi Deceives His Mother by Enlisting Hikari as a Fake Girlfriend
- Ep. 12 · Kei Returns from Shanghai to Care for Hikari Amidst a Fever
- Ep. 13 · S.A students attend regular high school as punishment for Tadashi's deception.
- Ep. 14 · Akira's efforts to shield Yui from Yahiro inadvertently drive a wedge between them.
- Ep. 15 · Hikari's Promised Date with Kei Interrupted by His Fiancée Sakura
- Ep. 16 · Sakura invites the S.A to a barbecue to be close to Jun, who she loves.
- Ep. 17 · S.A. members plan Kokusen Academy festival while Yahiro hides his feelings for Akira
- Ep. 18 · Akira attends a matchmaking event with Sakura while Tadashi seeks advice from Yahiro to reconcile.
- Ep. 19 · Megumi tests Yahiro's feelings through a date game while Hikari falls ill.