おにでか!
Manga
Onideka! is a Japanese science fiction manga by Keita Yadera, serialized exclusively on pixiv Comic for Monthly Heroes from December 2, 2015 to May 17, 2018. Heroine Kio Kiryūin gains the power to grow giant from a mysterious intelligent life-form from space, and fights the monsters and giant girls who appear one after another.
Translated from the Japanese Wikipedia article, available under CC BY-SA 4.0. Translated and shortened by ManhWatch AI; may contain errors.