Alternative:
Gantz Origins: Oku Hiroya And Sf Movie Stories
Synopsis:
Short stories showing some of Oku Hiroya’s inspirations before he created his famous masterpiece, Gantz. From Baka-Updates: This series tells us stories about the mangaka’s (OKU Hiroya) favorite movies and how it helped and lead to the creation of the manga we all came to know & love – Gantz.