obsidian forms in Osaka (大阪)大阪.
First live is held.
Guitarist Pero secedes.
Guitarist Nogizaka Katana (乃木坂 刀) joins.
Vocalist SINC and bassist Kayo (華夜) secede.
Bassist RURU (ルル) secedes.
Live at LIVE HOUSE CHIKA-IKKAI is cancelled due to COVID-19.
Guitarist Louis (ルイ) secedes.
HIRU (ヒル) seems to have no further activities
HIRU (ヒル) was a visual kei band in Osaka. They were active from 2018 to 2020 and are currently paused.