One rainy spring day, Miyu saves Chobi, a kitten, from a chilly alley. Chobi, though puzzled by human ways, cherishes an immense love for his human friend. Uninterested in human affairs, Chobi's world revolves around Miyu, who conceals a heavy burden behind a smile. Nonetheless, Chobi remains by her side, offering unwavering affection to ease her troubles.