Birdy the Mighty Evolution Manga

After two years dormant inside Tsutomu Senkawa, Birdy is jolted awake by an accidental encounter with an old enemy. She returns to fighting evil, while the secrets of the Agni corporation’s experiments gradually come to light. Agni appears to be enhancing human bodies and creating “beast men” to fight alien invasions connected to Birdy. Tsutomu and Birdy are once again caught up in the conflict as the corporation’s work is uncovered.