Ep. 13: Naho struggles to deliver Valentine's chocolate to distant Kakeru before his final day.
Aired on September 26, 2016

Following a significant incident on New Year's Eve, Kakeru has been maintaining emotional distance from Naho. Consequently, she is unable to present him with her Valentine's Day chocolate. Despite these obstacles and the growing separation between them, Naho remains determined to express her true feelings to him. The narrative reaches a critical juncture as the characters confront the specific date foretold in the letters from the past, known as Kakeru's Final Day. This moment forces everyone to face the consequences of the events outlined in the mysterious correspondence, marking a pivotal point in their relationships and the unfolding timeline.
Episodes
- Ep. 9 · Naho finds relief in friends' support as she and Kakeru grow closer before the athletic festival.
- Ep. 10 · Kakeru conceals his ankle injury during the athletic festival before opening up to friends.
- Ep. 11 · Naho confronts New Year's Eve after a fight with Kakeru
- Ep. 12 · Kakeru relocates to Matsumoto with his mother, facing tragedy on his first school day.
- Ep. 13 · Naho struggles to deliver Valentine's chocolate to distant Kakeru before his final day.