D4DJ: Petit Mix

An Invitation From Beyond (1x1)

Air date: Feb 05, 2021

The six units are introduced at the Unknown Underground Unbelievable Ultimate Fes. (U4 Fes.), a mysterious music festival that takes place once every 100 years. Happy Around! receives its invitation in the mail, and although the four agree to participate, Rei notices the lack of a return address.