D4DJ Double Mix

A self-contained special episode focuses on the groups Merm4id and RONDO. The return of "D4 FES.", a renowned DJ festival, fulfills Merm4id's long-held dream of taking part. During a swimsuit photo shoot, Marika Mizushima, Saori Hidaka, and Dalia Matsuyama notice Rika Seto acting strangely. At the same time, Tsubaki Aoyagi from RONDO is in a chapel, thinking about future possibilities for their group. After a live performance at the ALTER-EGO clubhouse, Rika unexpectedly visits Tsubaki, who is with Nagisa Tsukimiyama, Hiiro Yano, and Aoi Miyake. Rika, known for her ability to handle challenges with charm and luck, makes an unexpected suggestion.