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Ui Mashiro

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Ui Mashiro
Ui Mashiro 2016
Ui Mashiro, 2016
Nickname Mashiro (ましろ?)
Birthdate January 31, 2000 (2000-01-31) (age 17)
Birthplace Fukuoka, Japan
Bloodtype A
Zodiac Sign Aquarius Aquarius
Height 155cm
Professional Information
Genres J-Pop
Occupation Singer, Idol, Actress
Years Active 2012-present
(4 years)
Agency AKS
Group HKT48
Team Team H
Generation 2nd Generation HKT48
Associated Acts HKT48, AKB48, NGT48, Nogizaka46, Keyakizaka46
Google+ 15px-Google_plus_icon.svg.jpg +宇井真白

Ui Mashiro is a member of HKT48's Team H.

Team History

AKB48 Senbatsu Elections

Singles Participation

HKT48 B-Sides

AKB48 B-sides


Stage Units

RS2 (PARTY ga Hajimaru yo)
Classmate (Under)
HW1 (Pajama Drive)
Kagami no Naka no Jean Da Arc
RS3 (Nounai Paradise)
Kurukurupa (Under)
H2 (Seishun Girls)
Blue rose (Under)
Fushidara na Natsu (Under)
Cinderella wa Damasarenai (Under)
H3 (Saishuu Bell ga naru)
Return Match
Oshibe to Meshibe to Yoru no Chouchou (Under)
Gomen ne Jewel (Under)
20nin Shimai no Uta (Under)
Hatsukoi Dorobou (Under)
KIV1 (Theater no Megami)
Locker Room Boy (Support)
HW2 (Tadaima Renaichuu)
7ji 12fun no Hatsukoi
H4 (Theater no Megami)

Concert Units

HKT48 Kyushu 7 Prefecture Tour ~Kawaii Ko ni wa Tabi wo Saseyo~

Oita Iichiko Grand Theater

HKT48 4th Anniversary

HKT48 Spring Live Tour ~Sashiko du Soleil 2016~


  • Hobby: Watching drama movies, Fashion
  • Special Skill: Dancing
  • Charm Point: Dimples
  • Has a good relationship with Umemoto Izumi
  • Is the only member to have done all units of Team H 3rd Stage
  • Known for her fashion sense, which members often consult her for
  • Part of the unofficial subunit "I4U" with her good friends Inoue Yuriya, Iwahana Shino and Ueno Haruka.
  • Fan of the idol group C-ute, her favorites songs by them are I Miss You, Kanashiki Heaven and Begal ni Ham & Cheese.


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