The Demon Lord's Daughter Is Tending to Customers in a Swimsuit.Nova has collapsed due to heat exhaustion since the store's A/C has broken down. The Leon head office has sent a shipment of summer goods, but, due to the heat wave, customers are staying home. Fino, leaking magic because of the heat, sets off a box of fireworks and scorches her clothes. Since Nova has sent the spare uniforms to be cleaned Seara gets the idea to sell items outside with bathing suits on. She even gets Liza and Lamdimia to help out. Predictably, this catches the attention of male passersby and the sale of summer goods skyrockets...