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The English Ensemble Stars Wiki
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On top of his idol activities, Izumi engages in modelling in Europe. Stoic and high-strung, he also enjoys fussing over people who give him the chance to do so. He has a soulful singing voice and his performances are relaxed and beautiful.

A member of NEW DIMENSION’s Knights.[3]

I’m Izumi Sena of NEW DIMENSION, and I’m a member of the unit Knights. Since graduating from Yumenosaki Academy, I’ve been working as a model overseas, but I return to Japan to work as an idol as well when I’m called upon. … Which one is my main focus? You see, when you’re as good as me, you can do both together. For the time being, I’m prioritizing my modeling, but it’s not like I’m skimping out on my idol work, either. And if you doubt me, why not see for yourself how I balance both?[3]

Sena is just like a nagging mamma~! Every time I leave my phone somewhere, he scolds me like, “Don’t go losing that wealth of personal information!” And the other day when I was sleeping outside like usual, he scolded me and said, “I told you to go home, so go!” But then he dragged me back to his place to sleep, so he really helped me out. He seriously is a nice guy. That Sena is super reliable, and I love him! ☆[3]

LeoLeo ES

Ensemble Stars! Introduction

Izumi is a prideful, foul-mouthed person who tends to hurl spiteful remarks towards anyone he meets, like a violent-tempered cat. He tends to be detached from others, rarely showing his honest feelings.

He is a popular model, and sometimes does modelling work with fellow model Arashi. He was childhood friends with Makoto, who worked as a model just like him and Arashi. Despite the two of them not being as close in current days, Izumi still harbors a lot of affection for Makoto. A member of the unit Knights.


Izumi has fashionably tousled gray hair, light blue eyes and a fair complexion.

On stage as one of Knights, Izumi wears a blue, gold, black, and white jacket with a cape and ruffled tailcoat over a white shirt with a detailed blue collar and black zipper, both accented with gold. The jacket has black epaulettes accented with gold. A silver fleur de lis symbol attached to a light blue banner with gold and dark blue accents is pinned to the jacket's chest. There are two thin golden ropes attached to it, stretching across the front of the jacket and linking to the right shoulder pad. Three more golden ropes are attached to each side of the jacket where there would normally be buttons, but they are are decorative and are tied into a flower pattern. He wears a black glove with an opening near the wrist on his right hand, with a gold bracelet on his left. He wears dark gray pants with vertical light stripes and a thick belt that is accented with four golden buttons with a golden stripe on each side. The pants have small pockets accented with a golden top and button, and the belt has two strings of golden beads attached. His shoes are white with gold and black accents with a dip around the ankles.

Ensemble Stars! Appearance

Izumi has messy gray hair and light blue eyes with a fair complexion. At school, he wears a green tie with his white shirt, which is left unbuttoned at the collar. Over the shirt, he wears a brown vest with one row of buttons and two front pockets. He wears his school blazer unbuttoned, gray plaid pants, and brown dress shoes.

On stage as one of the Knights, Izumi wears a navy blue, white, and gold jacket resembling a royal military uniform over a black shirt which is left unbuttoned at the collar. Over the shirt, he wears a brown belt with a golden buckle. He wears one black fingerless glove on his right hand. On his left hand, Izumi wears two thin gold bracelets. On the jacket, there are four thin golden ropes attached to the collar, two connecting to the right shoulder pad and the back of the jacket while the other two are left hanging with knots in the front of the jacket. There are also two golden ropes which hang from the bottom left of the front to the back of the jacket. There is a navy blue and white stripe patterned sash connecting from his left shoulder pad to the bottom right of his jacket. He wears black shoes with a golden pattern and laces and a pair of navy blue striped pants.


He has a rude attitude towards most people he meets, being overly harsh in his criticisms and quick to point out their flaws. Despite this, he is quick to lend a helping hand to anyone who needs it, although begrudgingly. He never seems to ignore the struggles of other people, especially his underclassmen, who he wants to guide and take care of despite his harsh and grumpy personality. His harshness is often interlaced with an overbearing fussiness and perfectionism that renders him unable to sit back and watch while others fail.

Contrary to his claims, Izumi treasures his unit to an unimaginable extent, always working hard to make up for his wrongdoings during DDD and pushing himself to be better. He is a very hard-working person, believing he can achieve his goals with effort alone, and never relying on things such as raw talent or religious faith.

It is often pointed out by his unit members Ritsu and Arashi that Izumi harbors no ill intent, claiming his insults are a way he sees to hide the fact that his pride and confidence are a bluff to cover his own struggles and insecurities, as he doesn’t like to seem vulnerable to other people.


Izumi's first name (泉) means "water spring." The first character in his last name (瀬) means "shoal." These are perhaps related to his preference for small, cool bodies of water, such as natural springs.


For more information, see Izumi Sena/Family.

Izumi is an only child. He and his parents are close, and he sometimes goes on vacations with them overseas.[4] His family was very protective while he was a kid, and were described to be helicopter parents who treated him like a doll.[5]


  • Izumi's autograph consists of only his first name, rendered in Roman letters.
  • Izumi often nicknames other people he is close to, such as "Yuu-kun" for Makoto Yuuki or "Kasa-kun" for Tsukasa Suou.
    • When he first asked Ritsu's name during the events of Checkmate, Ritsu reluctantly replies "...kuma Ritsu" due to the fact he doesn't want to be associated with Rei Sakuma, his older brother. Izumi didn't hear the name clearly, but went ahead and called him "Kuma-kun" anyways. To this day, he still uses that nickname.
  • He shares the same birthday with Rei Sakuma, November 2nd.
  • Akira, the main writer of Ensemble Stars, stated in early 2015 that, although he was commissioned to write a "tsundere" type for Izumi's character, he ended up being "yandere".
  • He is bad with heat and often complains when he is exposed to hot weather.[6]
  • The scent of alcohol makes him feel sick.[7]
  • He can knit.[8] Examples of his work include:
  • Izumi is often nicknamed “mom” or “sister-in-law” by his close friends to poke fun of the exaggerated way he worries about others, his mother-like nagging being the most remarkable part of it.[11]
  • Sora described his color as "A very kind color, Sora’s favorite[12], and as "silver, in both character and color"[13].

Voice Actor Comments

"This is Masami Ito, and I was in charge of Izumi Sena's role. I was very honored to be given this opportunity to voice Izumi-kun, as well as to join such an outstanding cast. I am very grateful to all the players whom I will meet on this journey! And I am eagerly waiting for the day I can meet everyone in the game!" (Enstars!)

""* (Enstars!!)

Izumi Sena Circle
Izumi Sena
Sub Story  Management Story  Mini Event  Intimate Event  Greeting Event Produce Course
Knights Tsukasa SuouLeo TsukinagaIzumi SenaRitsu SakumaArashi Narukami

fine Eichi Tenshouin · Wataru Hibiki · Tori Himemiya · Yuzuru Fushimi
Trickstar Hokuto Hidaka · Subaru Akehoshi · Makoto Yuuki · Mao Isara
RYUSEITAI Chiaki Morisawa · Kanata Shinkai · Tetora Nagumo · Midori Takamine · Shinobu Sengoku
ALKALOID Hiiro Amagi · Aira Shiratori · Mayoi Ayase · Tatsumi Kazehaya
Eden Nagisa Ran · Hiyori Tomoe · Ibara Saegusa · Jun Sazanami
Valkyrie Shu Itsuki · Mika Kagehira
2wink Hinata Aoi · Yuta Aoi
Crazy:B Rinne Amagi · HiMERU · Kohaku Oukawa · Niki Shiina
UNDEAD Rei Sakuma · Kaoru Hakaze · Koga Oogami · Adonis Otogari
Ra*bits Tomoya Mashiro · Nazuna Nito · Mitsuru Tenma · Hajime Shino
AKATSUKI Keito Hasumi · Kuro Kiryu · Souma Kanzaki
Knights Tsukasa Suou · Leo Tsukinaga · Izumi Sena · Ritsu Sakuma · Arashi Narukami
Switch Natsume Sakasaki · Tsumugi Aoba · Sora Harukawa
MaM Madara Mikejima
Double Face Madara Mikejima · Kohaku Oukawa
4piece Esu Sagiri · Ibuki Taki · Kanna Natsu · Fuyume Hanamura · Raika Hojo · Nice Arneb Thunder
Ensemble Square Anzu · Jin Sagami · Akiomi Kunugi · Seiya Hidaka · Gatekeeper · Hitsugi Kurone
Supporting Characters Pets · Mademoiselle · Bishoujo Idol · NewDi President · Mr. Writer · GFK · Godfather · NEGI · Kaname Tojo · Maguro Mikejima · Shu's Grandfather · Macky · Mitsunari Samejima · Samejima's Manager
Collaborations Hello Kitty · Yume100 · Welcome to the Ballroom · Merc Storia · Last Period · Yowamushi Pedal · King of Prism