What makes Protostar by JO1 notable?

'Protostar' is significant as it debuted at number one on the Oricon Albums Chart, solidifying JO1's immediate impact on the J-pop scene. Their rapid ascent was backed by a dedicated fanbase and extensive promotional activities, including performances that highlighted their dynamic choreography and musicality. Released on January 1, 2020, 'Protostar' marked JO1's debut EP following their formation from the reality survival show 'Produce 101 Japan.' This project set the stage for their rise in the J-pop landscape, showcasing their youthful energy and vocal talents right after gaining public attention.