Let's All Get Along

The forgotten team also joins the pool. It seems that an idol group event will be held at Sun Beach Nikko River. What is the live performance of TGC5 (Third Greatest Cities 5), a five-member group from Sapporo, Sendai, Kobe, Hiroshima, and Fukuoka? Yatogame's hip-hop soul is on fire in a rap battle ...! ??