Haruo Izawa is 45 years old and the floor chief of the local grocery store “Umeya”. He is highly trusted by Store Manager Ueda and the part-time ladies and the Ohara branch is the only place where he has been working for 25 years. Although he says that he doesn’t fit to be a store manager, he is still concerned about HR and career advancement. That’s why Ueda’s praise "command center" is his only treasure. Besides, he is also a husband of his wife Ritsuko, and a father of two daughters and a son, Koume, Kanako, and Ryota at home. Humor and pathos are said to be only a fine line, but Haruo’s fruitless actions of paying attention to the human relationships and atmosphere and overthinking never stop.. Where is this middle-aged man’s turmoil going??

本作は自主映画制作に奮闘する小学生たちのひと夏を描くジュブナイル。好きな女子が引っ越すことを知った小学6年生の内気な映画好き男子が、彼女をヒロインにした映画を作ろうと奮闘するさまをつづる。

原作は、つぶやきシローが2016年に発表した同名小説。地元密着型スーパーウメヤ（大原店）の万年主任・伊澤春男を主人公に、愛する妻や子供たちとのかけがえのない生活、店長昇格への長く険しい戦いの果てに待っていた予想外の結末が描かれる。

陪酒女映子出入灯红酒绿之地，眉宇间透露出悲伤的气息。而纯真无邪的小男孩大滋却在这个时候被送到她身边，拜托她照看。背负着悲痛过去的映子和大滋之间开始了一段奇妙而温馨的故事。