Yomei Hantoshi no Kimi ni Boku ga Dekiru Koto

Tomoaki has given up on his dream of becoming an illustrator and is leading an uneventful life at school, until Nanami transfers in one day. Nanami is a big fan of Tomoaki's grandfather, who was a famous picture book illustrator, and she hopes to author a picture book of her own some day. Nanami finds out that Tomoaki had illustrated picture books in the past and she invites him to create a picture book together. At first, Tomoaki refuses, but Nanami's earnest enthusiasms tempts him. When Tomoaki learns that Nanami has only six months left to live, he decides that he will do everything he can to help make Nanami's dream come true. Tomoaki had left his dream behind, and Nanami is still pursuing hers. This is a love story of two people trying to make the same dream come true from opposite directions.

(Source: Novema, translated)