Jiiiii～

Akira Todo has always lived in the shadow of his sister, Haruka, who secretly wields their father’s mysterious “Engine.” But when a mysterious enemy comes for his family, Akira is forced into a battle that threatens the entire world. He may have inherited none of his father’s power, but now he must find a way to fight back. Or risk losing everything he cares about. — www.crunchyroll.com →