The tribute art features NEW GAME! characters Kō Yagami and Rin Tōyama dressed in baseball gear.
The tribute art is illustrated by Mountain-Pukuichi, the author of Tamayomi, a manga about young ladies playing baseball.
Tamayomi is serialized in Manga Time Kirara Forward, while NEW GAME! is serialized in Manga Time Kirara Carat, both of which are published in Japan by Houbunsha.