Weekly Astro Boy Magazine — Digital Manga Publishing
Issue: #58
In this issue's Astro Boy, Professor Ochanomizu's 63rd robot is named Chiruchiru, and today is his birthday! To celebrate the occasion, the professor gifts his robot with two masks: one happy mask and one angry mask so that Chiruchiru will have more expressions! But what will Chiruchiru do when he loses one of his masks and it falls into the wrong hands? It may not seem like much, but a robot mask...
Creators: Osamu Tezuka
Characters: Mustachio, Chiruchiru, Dr. Ochanomizu, Black Jack, Astro Boy