Leads include Yuichi Nakamura as Kouhei Inuzuka, Rina Endou as Tsumugi Inuzuka and Saori Hayami as Kotori Iida, along with Haruka Tomatsu as loud middle school girl Shinobu and Tomokazu Seki as cafe/bar manager Yagi.
Having lost his wife, math teacher Kouhei Inuzuka is doing his best to raise his young daughter Tsumugi as a single father.