Ep. 6: Yuki studies with Kaori and learns about her past accident from her mother.
Aired on May 12, 2014

Teacher Jun Inoue distributes failed math test answers, prompting Yuki to seek help from Kaori. She invites Yuki, Shogo, and Saki to her home, where they meet her mother, Shiho Fujimiya. While Yuki and Saki study slowly, Kaori struggles to interact with the intimidating Shogo, though the group helps them bond. Later, Shiho reveals to Yuki that Kaori was hospitalized in a car accident and has repressed memories of her friends despite no brain damage. The following day, Yuki passes his test and speaks to Kaori for the first time, bringing her joy. Inspired by her smile, Yuki resolves to continue befriending her as time passes.
Episodes
- Ep. 2 · Yuki and Kaori navigate their memory loss cycle through shared experiences and diary entries.
- Ep. 3 · Kaori shares lunch secrets with Shogo, who helps her retrieve a forgotten diary and aids her memory recovery.
- Ep. 4 · Rumors of friendship between Kaori and Shogo cause Yuki to upset Kaori, leading to a fight.
- Ep. 5 · Saki Yamagishi and Kaori build a friendship despite her memory loss and no-talking rule.
- Ep. 6 · Yuki studies with Kaori and learns about her past accident from her mother.
- Ep. 7 · Kaori and Yuki struggle with communication during summer break preparations.
- Ep. 8 · Friends visit the beach but bad weather leads to arcade refuge and romantic tension.
- Ep. 9 · Friends gather on the final summer day before a new transfer student disrupts Kaori's fragile memories.
- Ep. 10 · Yuki confronts Hajime over Kaori's lost memories and resolves to rebuild their friendship.