Kuroi Souya is a high schooler living a peaceful life despite having no memories of his past. One day, however, his town is attacked by one of the mysterious Nebula Weapons. Together with the cat-like "Sensei" and the gothic lolita Ginko, Souya gets dragged into a battle against... seven superheroes who protect the town! What is Souya's reason to fight? The answer lies in his memories. Source: crunchyroll Note: The first episode received a special distribution online through Bandai Channel limited to 2000 viewers on July 1, 2018. Additionally, the final episode received an early screening at a special event on September 22, 2018, at TOHO Cinemas Roppongi Hills in Tokyo. The regular TV broadcast started on July 8, 2018.