Soraru and Rib bring a single together. The leading song "Yuumagadoki" is the opening theme song for the TV anime "Migi to Dali" and was written by a vocaloid producer "Niru Kajitsu." The single also includes a new song written by vocaloid Producers Mikito P and 40mP. The cover artwork of the Regular Edition features a newly drawn illustration drawn by the popular illustrator lack.