Sho, Ryo, and Den get kicked out of high school due to having long hair. The trio decides to form a band.
BY-SEXUAL (バイセクシャル) forms.
The band goes major through PONY CANYON.
Ryo, Den, and Nao announce that Sho is leaving the group—but Sho denies the announcement being true.
Sho officially announces his secession to pursue a solo career.
The band changes their name to ALZHEIMER.
Nao announces his secession, due to his self-described feeling of holding back Ryo and Den, to pursue his dream of being a professional cook.
His last live is scheduled for a December date, but is cancelled due to a snow storm. As such, he postpones his secession.
Sakura (ex. L'arc~en~Ciel) joins.
BY-SEX reunites for the 2011 Rock the Chain festival.
RYO / DEN / SAKURA
BY-SEXUAL holds a benefit concert for Tohoku earthquake and tsunami victims at Shinagawa Stellar. This is the first time Sho performs since his secession.
Ryo and Sho perform an acoustic set of BY-SEXUAL songs at the 2014 Rock the Chain festival.
BY-SEXUAL reunites again for Day 1 of the Visual Japan Summit 2016.
One-day revival is held at the 2017 Rock the Chain festival.