Ep. 3: Irie reads Kotoko's confession letter during the school sports festival relay race.
Aired on April 17, 2008

Kotoko falls asleep holding a confession letter, which Irie reads after entering her room. At the school sports festival, the two compete in a relay race. Irie crosses the finish line just as Kotoko is pushed and run over. Kin becomes angry while Irie carries her to the nurse. Irie recites the letter, but Kotoko slaps him before he reaches the part where she admits her love. Kin then enters to boast about his feelings for Kotoko. Irie responds that feelings can change, noting that someone you hate might become someone you love.
Episodes
- Ep. 1 · Kotoko from F-Class confesses to top A-Class student Irie and faces harsh rejection.
- Ep. 2 · Kotoko blackmails Irie with a childhood photo to secure tutoring for the upcoming exam.
- Ep. 3 · Irie reads Kotoko's confession letter during the school sports festival relay race.
- Ep. 4 · Summer Vacation Rescue and Diary Interference
- Ep. 5 · Class F's Winter Battle Crucial Moment
- Ep. 6 · Kotoko's health crisis forces Irie to skip his Tokyo University entrance exam on Valentine's Day.
- Ep. 7 · Naoki chooses school escalator after Tokyo University exam failure, leading to heated class dinner confrontation.