- English: D4DJ First Mix
- Synonyms: Dig Delight Direct Drive DJ
- Japanese: D4DJ First Mix
Having moved back to Japan from abroad, she transfers to Yoba Academy where DJing is popular. She is deeply moved by a DJ concert she sees there, and decides to form a unit of her own with Maho Akashi, Muni Ohnaruto, and Rei Togetsu. While interacting with the other DJ units like Peaky P-key and Photon Maiden, Rinku and her friends aim for the high stage! ”Pioneer DJ” is a trademark of Pioneer Corporation.