Märchen Mädchen (メルヘン・メドヘン, Meruhen Medohen, German for "Fairy Tale Girls") is a Japanese light novel series written by Tomohiro Matsu and StoryWorks, with illustrations by Kantoku.

The series revolves around Hazuki Kagimura, a socially awkward high school girl who loves stories since childhood.

While following the woman back to the library to return her belongings, she finds her opening a portal into another world, in which Hazuki gets mysteriously sucked into.

[7] A manga adaptation, written by Takatoshi Nakamura and illustrated by Kiyotsugu Yamagata, was serialized in Shueisha's Jump Square magazine from October 4, 2017[8] to May 2, 2018[9] and was collected in two tankōbon volumes.

A 12-episode anime television series adaptation produced by Hoods Entertainment[2] aired from January 11 to March 29, 2018 on AT-X, Tokyo MX and BS11.