父亲的突然离世让正在读高中的女孩木村初实（吉仓葵 饰）陷入了巨大的悲伤中，她不得不随着母亲惠子（朝加真由美 饰）搬到了之前预定的郊外新居。惠子是一名干练独立的律师，工作繁忙使她无法过多照顾初实的日常生活，她担心女儿的安全，因此坚决要求初实停止田径部的活动，这让初实感到无比失落。她内心仿佛被打翻了五味瓶，痛苦不已

就在初实内心纠结时，她偶然结识了处理垃圾的青年野口隆太郎（柳乐优弥 饰）。隆太郎从小在孤儿院长大，没有父母陪伴，孤独艰难地成长。然而，初实的出现给了他前所未有的感觉，仿佛生命中多了一份温暖和陪伴。两个背景迥异的年轻人，由此建立了一段纯洁的友谊。

然而，惠子严格的家教对初实和隆太郎的友谊造成了裂痕。惠子不允许初实和隆太郎继续交往，她认为两人的不同背景注定了他们无法有共同的未来。初实感到内心被撕裂，她面临着做出选择的困扰。

The sudden death of her father plunged high school girl Kimura Chumi (played by Aoi Yoshikura) into great grief, and she had to move with her mother Keiko (played by Mayumi Asakaka) to a new house in the suburbs that she had previously booked. Keiko is a capable and independent lawyer. Her busy work prevents her from taking care of Chushi's daily life. She is worried about her daughter's safety, so she insists on asking Chushi to stop the activities of the track and field club. This makes Chushi feel very disappointed. Her heart seemed to have been knocked over, and she was in great pain

When Chushi was struggling, she accidentally met Ryutaro Noguchi (Yagira Yuya), a young man who disposes of garbage. Ryutaro grew up in an orphanage, without the company of his parents, growing up alone and with difficulty. However, Chushi's appearance gave him an unprecedented feeling, as if there was more warmth and companionship in his life. Two young people with very different backgrounds established a pure friendship.

However, Keiko's strict upbringing caused a rift in Hatsumi and Ryutaro's friendship. Keiko does not allow Chumi and Ryutaro to continue dating, she believes that their different backgrounds doom them to no future together. Chu Shi feels torn inside, and she is faced with the dilemma of making a choice.