December means lots of hardcore training in the basics for the baseball team! Amidst all that, Yamato's gotten Shuko a birthday cake at the local bakery. But when he has to make a mad dash home with it after practice runs late, will the cake survive intact?!

First published in Japan as Yakuno-san wa Eduke ga Shitai in 2020 by SQUARE ENIX CO., LTD. Manga format; reads from back to front, right to left.