Height 153 cm Yoshino Koharu is the main heroine. She grew up in a rural area in Japan and went to college in Tokyo in hopes of landing a job in the city, but after failing to land a job, she gets an offer to work for the tourism department of Manoyama village.

Spoiler

At a young age, Yoshino had visited the Chupakabura Kingdom and became its 100,000th visitor. The milestone was celebrated by allowing her to don the cape and crown usually worn by the queen and having her photograph taken with the Manoyama community.