Season 3

This work depicts Komukai Riko (Riko), a 25-year-old working in a temporary job in Tokyo. She is the second daughter of the Komukai family, sandwiched between a reliable eldest sister and a free-spirited third sister, and has had a fairly average upbringing. The death of their grandfather brought the three sisters together, and the entire family was gathered together for the first time in four years. While sorting through her grandfather's belongings, Riko decided to stay at her parents' house for the summer until she could resolve her grandfather's regrets. The faces of her family are familiar to her, but in fact, she did not know their hearts. This is the story of Riko's summer as she gets to know her family better.

本作で描く小向璃子(リコ)は、東京で派遣の仕事をしている25歳で、しっかり者の長女と自由人な三女に挟まれ、実に平均的に育った小向家の次女。祖父の死をきっかけに三姉妹が集まり、4年ぶりに家族全員が揃った小向家。祖父の遺品を整理していると作りかけのプラモデルを発見したリコは、生前に祖父が通っていた「矢島模型店」で出会ったやっさんに導かれ、初めてプラモデルを作ってみることに…。プラモデルを通して祖父のこと、家族のことを少しだけ知れた気がしたリコは、祖父の心残りを終わらせるまで夏の間実家に残ることに。よく知った家族の顔、でも実はちゃんと知らなかった家族の心。そんな家族をもっと知っていく、リコのひと夏の物語。