GRET-51 Giant Heroine HyperMommy - Mirei Shirasaki

Officer Ann is an alien. Yes, she is the giant of justice, HyperMommy. She hides her true identity as an alien and lives on Earth as a member of the Space Defense Force. One day, many young women begin to go missing. The only clue she finds is that all the victims wore the same brooch. Recalling the brooch, Officer Ann visits a friend. However, who appears there is an alien exiled from their home planet. This alien feeds on human blood and eggs, and because their own female population has gone extinct, they have been kidnapping human women to use them as vessels to increase their species!! [BAD END]

Maker: GIGA

Director: 特異点心

Team: 巨大ヒロイン

Product Number: GRET-51

Product Number(DMM): h_173gret51

Published: Mar 27, 2026