Seiya Kanie is a handsome but shy perfectionist. One day his fellow Sento urges Kanie to visit Amagi Brilliant Park full of entertainment objects and shops. Unfortunately, the park got stuck in crisis and soon will become inaccessible.
At the moment fugitives from a magical area Maple Land work and accumulate positive energy from customers in the park. The fugitives can’t nourish and exist among people differently.
Seiya went there just to take a rest but received an offer from Latifa Fleuranza. She doesn’t want to lose her business, and Kanie’s skills may assist to rescue the amusement zone. Kanie and Latifa combine to labour for the same purpose, but they have only 90 days to serve 250,000 people. This is an impracticable task due to the current position is being settled by a real estate agent who is one step to possess the park.