By a fortunate coincidence, Juan is inspired and encouraged by a girl with the same name. Therefore, he decides to form a lion dance troupe with his friends, Cat and Dog, to break the constraints of reality and fight for themselves for once.

「或许我从很久以前、就已经期盼着这样的瞬间了」 ——中年工薪族·岩下被女儿疏远、被妻子横加指责、过着无比压抑的生活。直到某天、从事「爸爸活」的少女·椎名出现在他面前——。 寻求自我价值的15少女与挣扎在理性和欲望之间的40岁中年男性、二人那痛苦而炫目的小小逃亡之旅即将展开——。