The Shape of Happiness is a tankobon of manga adaptations of Nintendo properties, released in March 1989. The ninth, tenth and eleventh stories in this anthology are based on the original Metroid. It was never officially released in English. The one-shots were written and illustrated by Sakura Tamakichi . Tamakichi would later team up with manga writer Kentaro Takekuma and serve as the artist for *Super Mario Adventures* under the pen name Charlie Nozawa.