Amagi Brilliant Park (甘城ブリリアントパーク) is a Japanese light novel series written by Shoji Gatoh and illustrated by Yuka Nakajima. The main character, Seiya Kanie is a good looking, perfectionist boy who is forced to visit an amusement park named Amagi Brilliant Park, which is in serious difficulties and about to be closed forever. The park is actually staffed by refugees from a magical realm called Maple Land, and the park is a facility for harvesting magical energy from visitors while they're having fun. To save the park from closing, Seiya is hired by the owner, Latifah Fleuranza, to use his skills in entertainment to become its new manager.

Source: Wikipedia