Haruko Nagaya

Ryokuoushoku Shakai, abbreviated as Ryokushaka (リョクシャカ), is a Japanese pop rock band formed in 2012 in Aichi Prefecture. The band consists of vocalist and guitarist Haruko Nagaya, guitarist Issei Kobayashi, keyboardist Peppe, and bassist Shingo Anami. Originally a five-member group, drummer Yasuchika Sugie left in December 2015.