The series follows a young boy named Hiori, who leads a double life as the mysterious thief known as "Pokemon 7". Alongside his reliable partner Lucario, Pokemon 7 recovers stolen items from other thieves and returns them to their rightful owners. By day, Hiori works at the Sun-Sun bakery. His coworker, Nazuna, is a Lois Lane-type character who falls in love with Pokemon 7, despite not thinking highly of Hiori.