Kakeru fa amicizia con Koharu, una ragazza non vedente che frequenta il suo stesso corso universitario.

Kakeru porta Koyuki a provare un vecchio pianoforte e i due visitano un veliero dell'era Meiji conservato all'interno del campus.

A causa di un segnalibro, Koharu convince Kakeru a cercare fuochi d'artificio insieme a lei.

Kakeru e Koharu si incontrano per andare a comprare i fuochi d'artificio.

Kakeru and his roommate Narumi get a chance to take Koharu and Yuko for a ride on the college's cutter boat.

Kakeru shares an intimate moment with Koharu and then turns to Narumi and Hayase for advice on how to proceed.

After Koharu disappears for a week, Kakeru and Yuko get a clue about where she is and run out to look for her.

Hoping to spend time with Koharu, Kakeru and friends decide to volunteer at the hospital where she is staying.

Still volunteering at the hospital, Kakeru learns more about Koharu's illness and happens to meet her mother.

Kakeru stays with Koharu through her ups and downs while Yuko takes the lead on preparing the fireworks show.

With the fireworks event approaching, Koharu keeps working step by step toward regaining some of her strength.

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