Tomoaki, feeling resigned about his art dreams, leads a mundane school life until Nanami, a devoted fan of his late grandfather's picture book legacy, arrives. Inspired by Nanami's passion to create her own picture book, she uncovers Tomoaki's hidden talent in illustrating. Initially hesitant, Tomoaki succumbs to Nanami's infectious enthusiasm. However, when he discovers Nanami's limited time due to a terminal illness, he resolves to assist her in realizing her dream. As Tomoaki abandoned his aspirations, Nanami steadfastly pursues hers, intertwining their paths in a heartfelt tale of love and shared ambitions.