Mei Nakabayashi , better known by her stage name May'n , is a Japanese singer from Nagoya. Aspiring to become a singer since childhood, she began her music activities in 2003 upon passing an audition held by talent agency Horipro International. She made her major debut in 2005 under the Universal Music label with the release of her first single "Crazy Crazy Crazy". She would release two more singles under Universal Music, before transferring to Victor Entertainment in 2008. That same year, she had her break as the singing voice of the character Sheryl Nome in the anime series Macross Frontier.

Restaurant to Another World is a Japanese light novel series written by Junpei Inuzuka, with illustrations by Katsumi Enami. Shufunotomo have released five volumes of the series since February 2015. An anime television series adaptation produced by Silver Link aired from July to September 2017. A second season by OLM aired from October to December 2021.