Artist, illustrator.

His nickname came from 卵黄 ([i]ran'ou[/i], lit."yolk").

Japanese name: らんおう [Ran'ou] or らんおう＠卵の黄身 [Ran'ou (Tamago no Kimi)]
Circle name: 発酵戦隊
Site name: EGG BREAKER
ran'ou (tamago no kimi)