Entering his teenage years, Kazuma Hoshino's family relocates from the city to the countryside due to his younger brother Ayumu's fragile health condition, marking the start of a new chapter in his life. While waiting for the move, they find accommodation at the Yorozuyo Inn. The journey is fraught with difficulties as they board the wrong bus, leading them to a deserted area where a monkey snatches Ayumu's hat. Kazuma sets out to retrieve it but becomes lost in the forest. While seeking his way back, he meets Ui, a vivacious girl who he accidentally shares a kiss with. His troubles worsen when Ui's friend Ibuki scolds him and kicks him out. Upon arriving at the inn, Kazuma discovers the peculiar owner, Senka, and the two girls he mistreated earlier in the woods are his schoolmates. Despite these challenges, Kazuma begins to adjust to life in the countryside and settles into his new school. As he navigates different romantic relationships and cares for his brother's welfare, he also experiences a peculiar sense of nostalgia that he can't explain. What could be the meaning behind these perplexing emotions?