The story centers on a boy named Yamada Uro, and a 17-year old girl named Karon. Both work as part of the "Hero Retirement and Return to Everyday Life Assistance Agency," which takes heroes from another world back to Earth and helps them reintegrate into everyday life. Karon, a former hero herself, works under Uro as they tackle cases, and also lives with him, with Uro constantly failing to rein in Karon's hero-like behavior even as he tries to ingrain the behavior of common people into her.

"Eiyuu" Kaitai

Ever since coming across the world of boy’s rhythmic gymnastics during the last summer of junior-high, Shotaro Futaba has become fascinated with the sport. So when he enters Soshokuan Private High School, known as Ao High for short, he heads to the boy’s rhythmic gymnastics club, where he meets unique seniors and the ace of the team, Ryoya Misato. The members of the club each have their own passions, but they’ve put it all on the line with a single goal in mind. Now the next stage in their journey has arrived: the inter-high competition!