Inio Asano is a Japanese manga artist. Asano created the acclaimed manga series Solanin, which was released as a feature film in Japan in April 2010, starring Aoi Miyazaki. He is also famous for the series Goodnight Punpun and Dead Dead Demon's Dededede Destruction.

Goodnight Punpun is a Japanese manga series written and illustrated by Inio Asano. It was originally serialized in Shogakukan's seinen manga magazine Weekly Young Sunday between 2007 and 2008, and was transferred to Weekly Big Comic Spirits, where it ran from 2008 to 2013. Its chapters were collected in thirteen tankōbon volumes. In North America, it was licensed for English release by Viz Media.