
Quick answer — Taichi Kusano voices Juka Mutsuoka in Fairy Ranmaru, Nechika no Otouto in NEEDY GIRL OVERDOSE.
Taichi Kusano voices Juka Mutsuoka (Fairy Ranmaru), Nechika no Otouto (NEEDY GIRL OVERDOSE).
Juka Mutsuoka is voiced in Japanese by Taichi Kusano.