Is There Anything Wrong with Finding Yourself in a Band?

(Fanren + Laobangtuan + Xinbangtuan + Four Lies) (The protagonist's violin and keyboard skills have reached professional standards) Ye Ling, a professional keyboard player who kept running into obstacles in his previous life, used his life to save the girl who was in the car accident with him. Perhaps because this act of kindness touched the gods, he also gained a new life and was reincarnated into the manga world as Mio Izumi. In this life, can she change the decline of her previous life and live a wonderful life in this world where girl bands are popular?