Wakana Hashimoto

Shinko (Karin Aiba) is a high school student from Hamamatsu. Due to university admission pressures, she struggles with her mother. She hasn't really made conversation with her mom in a year. Shinko's friend Misato (Mayuu Kusakari) then recommends to her to join the school's calligraphy club. Shinko is impressed by Teacher Yatsushiro's (Kazuki Namioka) words. Teacher Yatsushiro is the one who takes care of the calligraphy club. Shinko decides to join the calligraphy club.

The Hirata are a typical family residing in picturesque Kosai, Shizuoka Prefecture. Their lives are thrown in chaos when an earthquake strikes and causes a nearby nuclear power plant to explode. They must evacuate their home.