In addition to Utada, Penguin Highway has star power in Tomihiko Morimi, the author of the novel the anime is being adapted from.
Handling theme song duties for Penguin Highway is none other than J-pop megastar Utada Hikaru (who recently announced her first concert tour in over a decade).
J-pop star performs theme song for new anime from creator of The Tatami Galaxy.
Penguin Highway is an upcoming anime film by Studio Colorido.