The illustrations on this postcard are from Haikyu!! (ハイキュー!!), a Japanese manga series written and illustrated by Haruichi Furudate (古舘 春一). It was serialized in Shueisha’s Weekly Shōnen Jump magazine from February 2012 to July 2020. The story follows Shoyo Hinata, a boy who is determined to become a great volleyball player despite his short stature. The manga was adapted into an anime television series that aired from 2014 to 2020. The series has also inspired several animated films, with another movie scheduled for release in 2027.