MERM4ID
Merm4id is a all-girl DJ unit with four members from the franchise D4DJ (Dig Delight Direct Drive). Their genres are EDM, Electro House, and Progressive Trance. Lore wise, they are a DJ unit with the goal of becoming famous.
characters
seiyuus
Merm4id consists of four main live unit members (seiyuus). They perform live shows to promote D4DJ and Merm4id.
Retired
Hirajima Natsumi (平嶋 夏海)
🍹 Lead Vocalist, Center
🍹Born on May 28, 1992
🍹 Actress, Gravure Model, TV personality
🍹Represents Seto Rika
🍹 Former AKB48 and sub-unit Watarirouka Hashiritai 7 member
🍹Nickname "Naachan"
🧡🍹 Trivia
🍹Natsumi is an experienced motorcyclist and she can ride the unicycle as well
🍹Natsumi has a hobby in collecting manga
🍹 She likes teddy bears and sleeping; "What's Naachan's special skill?" "...Can sleep right away in the bath or anywhere"
🍹The first part of Natsumi's name, "夏" means "summer"
Hazuki Himari (葉月 ひまり)
🍹Vocalist, DJ
🍹Born August 16, 1997
🍹Voice Actress
🍹Formerly Represented Hidaka Saori
🍹Nickname "Himaringo"
٩(ˊᗜˋ*)و ✧˚ ༘ ⋆｡˚ ੈ✩‧₊˚༺☆༻ੈ✩‧₊
🧡🍹 Trivia
🍹Himari retired from her role as Saori on March 31st, 2025
🍹Himari is skilled at swimming
🍹She cannot handle horror
🍹Hazuki enjoys shopping and cafe-hopping
Negishi Ai (根岸愛)
🍹Vocalist
🍹Born September 27, 1992
🍹 Singer, Voice Actress, Actor
🍹Represents Matsuyama Dalia
🍹Former Leader of jpop group PASSPO☆
🍹Nickname "Aipon"
🧡🍹Trivia
🍹Used to hold the title "Groovy Mix Queen" until May 22, 2021
🍹Negishi has won several gaming competitions such as "Suppa Ruppa" (October 2013)
🍹Negishi likes playing softball and shares this hobby with fellow unit member Okada Mei
🍹Has a cat named "Collete" despite being allergic
🍹Ai is Half-Japanese and Half-Filipino
Okada Mei (岡田夢以)
🍹Vocalist
🍹 Born May 19, 1996
🍹Singer, Voice Actress
🍹Represents Mizushima Marika
🍹Former member of Tenko Shojo
🍹Nickname "Meishan"
🧡🍹 Trivia
🍹Okada has a seventh Dan in calligraphy, her special skills being Japanese Tea Ceremonies and calligraphy
🍹Mei has a hobby in tennis and shares a hobby of softball with fellow unit member Negishi Ai
🍹Sometimes, Mei posts her artistic works on her Instagram
🍹She is fond of slice-of-life anime, enjoying the heartwarming attitude of the shows
🍹 Also voices "Sara Hiiragi" from ROAD59 and "Yahata Umiri (Timoris)" from BanG Dream!'s Ave Mujica
Merm4id consists of four main unit characters in D4DJ. These characters are in turn represented by four live unit members.
Seto Rika (瀬戸リカ)
🍹Lead Vocalist, Center, Leader
🍹 Born August 30
🍹Represented by Hirajima Natsumi
🍹"Life's too short not to have fun!"
🧡🍹 Trivia
🍹Best friends with Mizushima Marika and old friends with Aoyagi Tsubaki
🍹Rika's specialty is having various part-time jobs
🍹Rika likes deluxe ribs, but dislikes mushrooms (However, she can still eat them)
🍹Her favorite hobby is watching sports
🍹 Merm4id's song, "Princess Advent," is written about Rika
Hidaka Saori (日高さおり)
🍹DJ, Vocalist
🍹Born November 27
🍹Represented by Sakurada Iroha
🍹"I've got to work harder, until everyone respects me!"
Matsuyama Dalia (松山ダリア)
🍹Vocalist, Lead Dancer
🍹Born June 1
🍹 Represented by Negishi Ai
🍹"Ooh, sounds fun. I'm in!"
🧡🍹 Trivia
🍹Dalia practices ballet, traditional Japanese dance, and contemporary dance
🍹She is a grade holder in martial arts
🍹Dalia holds an interest in floriography (The language of flowers)
🍹Matsuyama enjoys seeing Saori caught off guard
🍹Her hobby is aromatherapy
Mizushima Marika (水島茉莉花)
🍹Vocalist
🍹Born July 30
🍹 Represented by Okada Mei
🍹"I have a teensy favor to ask..."
🧡🍹 Trivia
🍹Marika is terrible at cleaning
🍹She dislikes salty plums, yet still wants to eat them sometimes
🍹As well as being in Merm4id, Marika is also a model
🍹Her hobby is visiting cafes and her special skill is nail art
🍹She regularly compliments Saori in an attempt to raise her self-esteem, but Marika also enjoys teasing her as well