Mugen Regina (夢幻レジーナ) is a three member girl progressive metal unit. They were formed in 2013, and as of December 24, 2016 they went on hiatus. However, 3 new girls joined the group in May 2017.
- [2015.10.21] Joo Shikkaku (女王失格; Disqualified Queen) English Title: At the threshold of a dream
- [2014.12.04] MUGEN / Uruwashiki Kyobana Sekai