GRAVITY (グラビティ) members form men's idol unit jack&prince, initially announced as a secret act.
First live is held.
Two-day mini-oneman is held.
Mini-oneman live is held.
Mini-oneman live is held.
Mini-oneman live is held.
Twoman live with GRAVITY (グラビティ) is held.
Mini-oneman live is held.
Twoman with GRAVITY (グラビティ) gothic-themed session SHOUT (シャウト) is held.
jack&prince is a semi-active visual kei alter-ego project. They have been active since 2019.