D4DJ D4 FES. -Party Time-

 is the eighth official live concert of the D4DJ franchise overall.

It was held from December 16 through December 19, 2021 at the Nippon Seinenkan Hall.

Day 1

 * Tanda Hazuki as Sakurada Miyu
 * Shindō Amane as Kasuga Haruna
 * Fukagawa Ruka as Shiratori Kurumi
 * Watase Yuzuki as Takeshita Miiko

Guest DJ

 * Tsunko as Miyake Aoi

Day 2

 * Kato Rihona as Aoyagi Tsubaki
 * Otsuka Sae as Tsukimiyama Nagisa
 * Momono Haruna as Yano Hiiro
 * Tsunko as Miyake Aoi

Guest DJ

 * Shindō Amane as Kasuga Haruna

Day Performance

 * Tsumugi Risa as Izumo Saki
 * Iwata Haruki as Hanamaki Towa
 * Satō Hinata as Fukushima Noa

Guest DJ

 * Hazuki Himari as Hidaka Saori

Night Performance

 * Hirajima Natsumi as Seto Rika
 * Okada Mei as Mizushima Marika
 * Hazuki Himari as Hidaka Saori
 * Negishi Ai as Matsuyama Dalia

Guest DJ

 * Tsumugi Risa as Izumo Saki

Day Performance

 * Nishio Yuka as Aimoto Rinku
 * Kagami Karin as Akashi Maho
 * Mimura Haruka as Ohnaruto Muni
 * Shizaki Kanon as Togetsu Rei

Guest DJ

 * Takagi Miyu as Inuyose Shinobu

Night Performance

 * Aimi as Yamate Kyoko
 * Takagi Miyu as Inuyose Shinobu
 * Koizumi Moeka as Sasago Jennifer Yuka
 * Kurachi Reo as Shimizu Esora

Guest DJ

 * Kagami Karin as Akashi Maho

Setlists

 * S##: Track number for official artist playlist on various online streaming platforms (iTunes, Spotify, etc.).
 * Note: Some tracks may not be available for online streaming due to region restrictions or licensing issues.
 * DT##: Track number for the artist's official assigned D4DJ Groovy Mix DJTIME Mode setlist.

Day 1
Source: Official Project Site / Special playlist ver. Lyrical Lily

Day 2
Source: Official Project Site / Special playlist ver. RONDO

Day Performance
Source: Official Project Site / Special playlist ver. Photon Maiden

Night Performance
Source: Official Project Site / Special playlist ver. Merm4id

Day Performance
Source: Official Project Site / Special playlist ver. Happy Around!

Night Performance
Source: Official Project Site / Special playlist ver. Peaky P-key

Trivia

 * Niijima Ibuki appeared onscreen on Day 3, but her voice actress, Maeshima Ami, was absent.
 * This is the first official live concert in the D4DJ franchise to include different performer(s) per day.
 * The costumes worn by each unit during their performance are based on the respective costumes that feature in D4DJ Groovy Mix's 1st Anniversary card series.
 * Although unannounced, Raychell made a special guest appearance during Peaky P-key's performance to confirm said unit's collaborative live tour with Lynx Eyes, "Higher and Higher".

Event Participants' Freebie
The following titles will be presented to the following on-site live participants or VOD streaming subscribers below:

DJTIME mode mission challenge

 * Note: For Japanese server only.
 * Deadline until 11:59am December 26, 2021 (UTC+9).
 * Required to play official assigned setlist in DJTIME mode by entering DJ Road mission panel interface.