Thread:BLUEBIRD/@comment-9597054-20130630184338/@comment-190.107.226.58-20190930180610

Mafumafu is a ryouserui because he can sing in soprano range (C4-C6), which is an OCTAVE higher than tenor (Higher male voice, C3-C5). I'll put some cover examples below

Sopranos: Alien Alien Hello dystopia Envy Catwalk (Final Chorus) Ikasama life game (Only in the bridge A5)

Counter-Tenor/Altos: Matryoshka Chururira daddadda RPG Bouken no shouga kiemashita