
NiziU [虹U – ニジユ]
- Debut (Y-M-D): 20-12-02
- Label/Agency: JYP Entertainment & SONY Music
- Music Videos:
- Japanese MVs:Make You Happy, Step And A Step, Take A Picture, Poppin’ Shakin’, Chopstick, Need U, ASOBO, Clap Clap, Blue Moon
- CM Song: Super Summer
- English MVs: Take A Picture (Eng Ver), Poppin’ Shakin’ (Eng Ver), ASOBO (Eng Ver)
- Japanese MVs:Make You Happy, Step And A Step, Take A Picture, Poppin’ Shakin’, Chopstick, Need U, ASOBO, Clap Clap, Blue Moon
- Albums:
- Japanese: Make You Happy [Predebut Single Album], Step and a Step [Single Album], Take A Picture/Poppin’ Shakin’ [Double Single], U [Full Album], ASOBO [Digital Single], Clap Clap [Single Album], Blue Moon [Single Album]
- CM Singles: Super Summer [Digital Single]
- Japanese: Make You Happy [Predebut Single Album], Step and a Step [Single Album], Take A Picture/Poppin’ Shakin’ [Double Single], U [Full Album], ASOBO [Digital Single], Clap Clap [Single Album], Blue Moon [Single Album]
- Fan Name: WithU
- Logo:

Members:

- Stage Name (Kata): Mako (マコ)
- Real Name: Yamaguchi Mako (山口真子)
- Position: Leader
- Final Rank/Represented by: 1st/Orange; Pantone 200 C
- Birthday (Y-M-D): 01-04-04
- Birthplace: Fukuoka, Japan
- Nationality: Japanese
- Height: N/A
- Blood Type: A

- Stage Name: Rio (リオ)
- Real Name: Hanabashi Rio (花橋梨緒)
- Position: Dance, Vocal
- Final Rank/Represented by: 4th/Light Blue; Pantone 297 C
- Birthday (Y-M-D): 02-02-04
- Birthplace: Nagoya, Japan
- Nationality: Japanese
- Height: N/A
- Blood Type: B
- Formerly in: BUNNIES, KIZZY

- Stage Name: Maya (マヤ)
- Real Name: Katsumura Maya (勝村摩耶)
- Position: N/A
- Final Rank/Represented by: 5th/Indigo; Pantone 2084 C
- Birthday (Y-M-D): 02-04-08
- Birthplace: Tokyo, Japan
- Nationality: Japanese
- Height: N/A
- Blood Type: O

- Stage Name: Riku (リク)
- Real Name: Oe Riku (大江梨久)
- Position: N/A
- Final Rank/Represented by: 2nd/Yellow; Pantone 2003 C
- Birthday (Y-M-D): 02-10-26
- Birthplace: Osaka, Japan
- Nationality: Japanese
- Height: N/A
- Blood Type: AB

- Stage Name: Ayaka (アヤカ)
- Real Name: Arai Ayaka (新井彩香)
- Position: N/A
- Final Rank/Represented by: 8th/White; PANTONE White
- Birthday (Y-M-D): 03-06-20
- Birthplace: Tokyo, Japan
- Nationality: Japanese
- Height: N/A
- Blood Type: A

- Stage Name: Mayuka (マユカ)
- Real Name: Ogou Mayaka (おごうまゆか)
- Position: N/A
- Final Rank/Represented by: 7th/Turquoise; Pantone 2239C
- Birthday (Y-M-D): 03-11-13
- Birthplace: Osaka, Japan
- Nationality: Japanese
- Height: N/A
- Blood Type: A

- Stage Name: Rima (リマ)
- Real Name: Yokoi Rima (横井りま)
- Position: Rap, Vocal
- Final Rank/Represented by: 3rd/Red; Pantone 200 C
- Birthday (Y-M-D): 04-03-26
- Birthplace: Tokyo, Japan
- Nationality: Japanese
- Height: N/A
- Blood Type: O

- Stage Name: Miihi (ミイヒ)
- Real Name: Suzuno Miihi (鈴野みいひ)
- Position: N/A
- Final Rank/Represented by: 6th/Pink; Pantone 203 C
- Birthday (Y-M-D): 04-08-12
- Birthplace: Kyoto, Japan
- Nationality: Japanese
- Height: N/A
- Blood Type: O

- Stage Name: Nina (ニナ)
- Real Name: Nina Makino-Hillman
- Position: N/A
- Final Rank/Represented by: 9th/Blue; Pantone 293 C
- Birthday (Y-M-D): 05-02-27
- Birthplace: Seattle, Washington, USA
- Nationality: Japanese-American
- Height: 164cm
- Blood Type: O