Can someone in MyGo stay in an adventure group forever?

Having just stepped out of the college entrance examination hall, he was turned into a hero fragment and transported to the world of a girls' band.Hehe, it seems the prepared song list has finally come in handy. As a master in the world of girl bands, Koshimura Sawa is determined to beat Roselia and RAS, sweep through the Tokyo Dome Kohaku Uta Gassen, and dominate the girl band scene!Why did Chihaya Aine grow horns on her head?What does it mean that RiNG has become an adventurer's guild?What does it mean that bands have all turned into adventure groups?Oh? So you all know magic?What did I come here for? Is this still a girl band anime?In a world filled with crisis and gravity, Koshimura Sawa still struggles to crawl forward...Takamatsu: Can we form an adventure team for a lifetime?Chihaya Aine: Don't touch my tail!Toyokawa Shoko: Um, could I borrow some money to copy a paper...?Nagasaki Motoyo: Kulai Xiku is a great adventure team, I've decided to bring my talents to Mygo.Wakaba Mutsumi: Teacher, one of me is enough...Wait, don't come any closer!