By-Sexual ( stylized as BY-SEXUAL ) was a Japanese visual kei punk rock band from Osaka . They were active from 1988 to 1995 , when vocalist Sho left the band and they went on hiatus . In August 1996 , the remaining members restarted the group under the name By-Sex ( stylized as BY-SEX ) with Ryo taking over vocals in addition to guitar . In February 1998 , Nao left and the group disbanded . On September 3 , 2011 , By-Sexual reunited for a show at Shinagawa Stellar for the victims of the 2011 Tōhoku earthquake and tsunami . Around the same time , Ryo and bassist Den teamed up with their Zigzo bandmate Sakura to perform as By-Sex . The four reunited again for the October 14 , 2016 Visual Japan Summit at Makuhari Messe and Chain the Rock Festival on August 26 , 2017
2011 Tōhoku earthquake and tsunami
2011 Tōhoku earthquake and tsunami
By-Sexual