IDOLiSH7 is asked to appear on the popular music program Music Festa. However, their exciting opportunity doesn't go exactly as planned. Will they be able to give the performance of their lives, or does disaster await?

Osaka Sogo and Yotsuba Tamaki are set to debut with Takanashi Productions as duo "MEZZO." But first, the group goes camping by the river, where they learn more about each other and strengthen their friendships.

IDOLiSH7 begins hosting a web show to promote themselves. Though the production is far from perfect, everyone seems to be enjoying it. Meanwhile, Yamato receives an offer to appear in a TV drama...