D4DJ (Dig Delight Direct Drive DJ) is a Japanese music media franchise created by Bushiroad, with original story by Kō Nakamura. Takaaki Kidani is credited as executive producer. It consists primarily of live disc jockey performances, a rhythm game for smartphones titled D4DJ Groovy Mix and a 13-episode anime television series titled D4DJ First Mix, which aired from October 2020 to January 2021. A spin-off anime series titled D4DJ Petit Mix aired from February to July 2021. A standalone episode titled D4DJ Double Mix premiered in August 2022. A second season titled D4DJ All Mix aired from January to March 2023.
Plot
Upon returning to Japan, first-year high school student Rinku Aimoto enrolls at Yoba Girls' Academy and meets Maho Akashi, the school's broadcaster and DJ. Rinku soon develops an interest in DJing after watching a performance by Yoba's famous DJ unit "Peaky P-key", and she and Maho form a group of their own called "Happy Around!". They are later joined by Muni Ohnaruto, a talented illustrator, and Rei Togetsu, a pianist.
Characters
Happy Around! The latest idol-themed DJ unit from Yoba Academy. The name comes from Rinku's catchphrase, which she habitually says whenever she is joyfully spinning around. Their primary music genre style is a combination of J-pop and dubstep. They also use happy hardcore and gabbar.
Having lived in Africa since her childhood due to her parents' work, Rinku finally returned to Japan prior to high school and currently lives with her grandparents. On her first day of school, Maho introduced her to DJ activities by inviting her to a performance by Peaky P-key. She was then inspired to create her own DJ unit alongside Maho. An optimist who is sometimes seen as an oddball, she can sense how certain musical pieces can connect by moving her body, so she serves as Happy Around!'s lead singer and dancer. On the other side, she deeply values her friendship with Muni, to the point she even cries when her relationship with Muni strained. Her name is a play on the word "link".
A school DJ broadcaster under the name "Mash". Maho started her DJ activity after watching an outdoor concert when she was little. She initially attempted to reject Rinku's DJ unit invitation until she realized how serious Rinku is about it.
An illustrator and VJ under the name "VJ Only", Muni has been attracting attention on the internet thanks to her drawings. She takes her art seriously, though she does not accept criticism kindly. She is Rinku's childhood friend, and reluctantly decides to join her unit upon being invited, but almost pulls out from her maiden appearance due to stage fright. Muni wears a rabbit ear headband and carries a cat plush called Nyochio during performances and in school.
Being born to a wealthy family, Rei had lessons in all sorts of activities and is gifted at the piano. However, her parents set strict expectations that she wishes to be freed from. She serves as the group's composer and arranger. It is implied that in the past, she also attended a similar outdoor DJ concert like Maho, though the two did not know each other at the time.
Peaky P-key
A popular hip hop-themed DJ unit in Yoba Academy. It was formed during their middle school years. Also known as Peaky, their music style is a combination of techno, hip hop, and electro-pop.
The charismatic leader of Peaky P-key. Born in a musical family, she has a natural talent for music. She later develops an admiration for Happy Around! after she watched their first show.
A DJ who is the brains of Peaky P-key. She and Kyoko have known each other since childhood, though Shinobu constantly rejects Kyoko's requests to form a unit until middle school; since then, they have maintained a close bond together. Besides being a skilled DJ, she also excels in remixing and track-making. Outside her DJ activity, she enjoys online gaming.
Yuka is the moodmaker of Peaky P-key. She met Kyoko as she was searching for the "greatest moment" to capture with her camera and decided to join the unit as a VJ. Raised by parents who work as gym trainers, she is very cheerful and kind to everyone, and loves cheering up her fellow group members whom she regards as her best friends.
The self-proclaimed "lovely" member of Peaky P-key. As a natural-born entertainer, she joined the unit to bring entertainment to everyone, and is even willing to expend her own fortune to achieve this goal. She is skilled at getting people to let their guards down and speak their minds. Esora is also a childhood friend of Lyrical Lily member Kurumi.