Marika is a member of the group [Merm4id](https://anilist.co/staff/301473/Merm4id).

Marika is an easygoing girl with a comforting atmosphere. Besides being a university student, she also works as a model. She was the center of attention upon entering university, but she became friends with Rika, who was able to talk to her despite all the attention. She has a calm personality, but loves concerts and is dedicated to her DJ activities.

Having moved back to Japan from abroad, Rinku Aimoto 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! 
 
(Source: Funimation) 
 
Note: The first episode was released early on the official D4DJ and Funimation YouTube channels on October 23, 2020. The regular TV broadcast started on October 30, 2020.

[Profile (A-Plus)](https://www.aplus-japan.com/talent/okadamei/) | [Twitter](https://twitter.com/okada_mei0519) | [Instagram](https://www.instagram.com/mei_okada0519/) | [Wiki (jp)](https://ja.wikipedia.org/wiki/岡田夢以)

Mei Okada is a singer and voice actress. She is a member of the DJ group [MERM4ID](https://anilist.co/staff/301473/Merm4id), the bassist of the band [Ave Mujica](https://anilist.co/staff/353935/Ave-Mujica), and a former original member and leader of the idol group Tenkou Shoujo*.

On September 10, 2019, Okada announced her graduation from Tenkou Shoujo*, her last activity was on November 26, 2019, in Tenkou Shoujo National Tour Final LINE CUBE SHIBUYA.

The second season to D4DJ First Mix. 
The beats are back with Lyrical Lily! After learning the awesome news they’ll be performing at their town revitalization event, they start to panic when they learn it’s a yearlong event. To keep it fresh and exciting, they’ll enlist some of the most popular DJ units around. A new stage is set, and Lyrical Lily is ready to shine! 
(Source: Crunchyroll) 

Note: The series is releasing early on DMM and Funimation/Crunchyroll starting January 8, 2023. The regular TV broadcast started on January 13, 2023.

D4DJ Double Mix is a self-contained special episode centering around the groups Merm4id and RONDO. 

"D4 FES.", a DJ festival that has been described as legendary, was relaunched, and Merm4id's long-cherished wish to participate came true. Marika Mizushima, Saori Hidaka, and Dalia Matsuyama are concerned about the unusual behavior of Rika Seto during the swimsuit photo shoot. Meanwhile, RONDO's Tsubaki Aoyagi is alone in the chapel, indulging her hopes for the future how their world will be expanded.
 
One day, after a live concert at the clubhouse ALTER-EGO, Rika rushes into Tsubaki's place where she is with Nagisa Tsukimiyama, Hiiro Yano, and Aoi Miyake. She, who overcomes everything with luck and charm in order to enjoy life, makes a surprising proposal. 
(Source: Crunchyroll, edited)

Chibi-style mini animation for the D4DJ media franchise.

The four-panel manga will feature all six units from D4DJ, starting with Happy Around!, and will center on their daily lives.
 
(Source: Anime News Network)