Ep. 9: Jealousy Drill
Aired on December 7, 2007

9
After a colleague criticizes his relaxed teaching style, Aoki adopts stricter methods, which displeases Rin. It is revealed that Rin feels jealous because Aoki accompanied Kyouko to a family restaurant. The next day, Aoki is absent due to a cold. Concerned for his well-being, Rin joins Kuro and Mimi to visit him at his home. This sequence highlights the underlying tensions and personal dynamics among the staff members regarding their professional conduct and interpersonal relationships within the school environment.
Episodes
- Ep. 5 · Rin visits Aoki at the school pool during summer break to watch fireworks together.
- Ep. 6 · Reiji recalls his parents' fatal car crash and his time with his cousin Aki
- Ep. 7 · Classmates prank Aoki during a mountain trip, leaving him with soiled pants.
- Ep. 8 · Aoki confronts Rin’s crossdressing scheme to seek physical closeness after ignoring her.
- Ep. 9 · Jealousy Drill
- Ep. 10 · Rin attempts kindness after blackmail fails to win Aoki's affection
- Ep. 11 · Kyoko's dodgeball frustration and the locker incident lead to reconciliation and conflict.
- Ep. 12 · Reiji locks Rin in her room after she receives texts from Kuro and Mimi.