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Hideo Akuno

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Hideo Akuno
SideM Character Data
Name: 握野英雄 (Akuno Hideo)
Voice actor: 熊谷健太郎 (Kumagai Kentaro)
Age: 23
Height: 171 cm
Weight: 67 kg
Shoe Size: 25.5 cm
Birthday: March 7th
Blood type: AB
Hobbies: Trail running
Skills: Training police dogs, Raising animals
Handedness: Left
Horoscope: Pisces
Hometown: Kanagawa
Ex-Job: Police Officer
Card Type: Intelligent
Image Color:     
Hideo sig.png

Hideo Akuno (Japanese: 握野英雄 Akuno Hideo) is one of the available idols in the mobile game THE iDOLM@STER: SideM. He is part of the unit FRAME along with Ryu Kimura and Seiji Shingen. He is voiced by Kentaro Kumagai (熊谷健太郎 Kumagai Kentaro).


Annual Rankings

Event Prelim Rank Final Rank
1st Anniversary Election 06 06
2nd Anniversary Election 09 09


SideM Idol File

-The Man of Justice with a scary-looking face, but a kind and gentle heart!-
"Don't judge a book by its cover! Feel it with your heart!"

SideM Biography

Reason for Becoming an Idol: Through singing, I want to convey to children that "You're not alone."

Personal Motto: Trust is a unique bond between friends.

Comments for the Future: I want to save lost children through the power of song. When they're feeling lonely or uneasy, if I can support them through singing...I know it's an outrageous dream, but I want to try hard to accomplish it.

Comments about Unit Members: For me, my friends are like family. Shingen is a reliable older brother, and Ryuu is a little brother who's always getting into antics...Put simply, we're like three brothers. I've never said it directly, but they're precious people who I won't let anyone hurt.


-From police officer to idol!-
"You are not alone whoever you are!!"


I'm Hideo Akuno. 23 years old. What's up? My face is scary? Ah...I heard that there is a new project. I'm so nervous... I didn't mean to glare at you, you know.

Character Description and Personality

Hideo is a nice guy who was born with an unfortunately mean look to his face. He's very self conscious about it and often feels the need to apologize. His ex-job was a police officer, though when on duty he was often mistaken as a criminal. Hideo first realized he wanted to be an idol after an incident while on the job. A young boy got accused of shoplifting. The father wouldn't let the child defend himself and scolded him hardly. This made him realize that the adults are at fault for giving up on their children and not properly teaching them. He wants to save these lost children through the power of song. He wants to be there for the children when they’re feeling lonely or uneasy. Alas, due to his sinister look, most children are afraid of him, and he hasn’t gotten too far. He hopes his idol career will soften his appearance. Along with supporting children, he also hopes to always be there for his teammates, Ryu and Shingen. While he isn’t too good with people in general, he’s very good with animals. He loves how they judge you based on how you act, opposed to how you look. He’s very good at training police dogs and even has some as pets for himself. Hideo’s favorite food are pancakes, in which he frequently talks about. He often invites others to join him in going to his favorite pancake place, to show them how great they are. Besides Shingen and Ryu, he’s also good friends with Haruna Wakazato and Makio Uzuki, ever since the White Day Live. Together they formed a Sweet Tooth Alliance, in which he’s the president of.

Game Discography

Other Media Appearances

THE iDOLM@STER: SideM (anime)

In the anime's continuity, Hideo is not yet an idol and still works on the police force. He makes a brief cameo during Episode 2, directing civilian drivers out of the pathway of the storm that causes the episode's conflict.

Quotes & Conversations


Self Introduction "Hideo Akuno, 23 years old. Despite how I seem I used to be a policeman. My face is scary? I'm told that a lot. But idols aren't just about the face, right? I'll give it my best in dancing and singing, so let's work hard together."
Scout (1) "Hideo Akuno, 23 years old. ...Sorry, I was born with this mean look. I didn't mean to glare; I'm just nervous!"
(2) "I think teamwork is the most important thing for an idol unit. In order to deepen our bonds I can't miss any chance to talk to my comrades."
Login (1) "I'll also work hard to support you, Producer. Will you check back in a while to see my results?"
(2) "Good mor-...huh? I should smile more when greeting? I see...is this alright? G-good morning! Ugh, this is hard..."
My Desk (Trust 0%) "Yo, how are you doing? If anything's upsetting you, go ahead and ask me for advice."
My Desk (Trust 5%) "I was born with a mean look in my eyes. I always make children cry."
My Desk (Trust 30%) "What are you doing, staring at people's faces like that? Is it really that rare for me to smile?"
My Desk (Trust MAX) "Ah, keep smiling just like that. That way I can copy the best smile I know."
Change "My goal is to support Shingen and Ryu, and provide for my family...to see our presence grow makes me happy."
Lesson "It's alright, I'm with you. Just look forward."
Jobs & Lives
Work (Trust 0%) "My smiling special training seems to be getting good results. I'll keep going with this."
Work "Thanks to producer's facial performance, I could smile with all my heart!"
Work (Trust MAX) "When I feel like I can't make a good smile, I remember your face."
Reliability UP (1) "I like kids because they're cute, but I always scare them and make them cry.... What should I do?"
(2) "It's thanks to your help that I've gotten popular with kids! I would have never thought of a hero fighting a mysterious enemy...."
(3) "Producer, next time let's do a kindergarten bus hijacking together. Kids always think they can go home happily and there's no evil out there."
Reliability MAX "Producer, you're the hero I want to be. I hope I can someday be as great a person as you...."
Audition Battle Preparation "Ah? Are you scared? In that case, you should go back to your friends before it's too late..."
Audition Battle (1) "I will show you that I always protect my friends...!"
(2) "...Alright. Let's get this started already."
Audition Battle (Backup) "Heh, I know what that look means, you don’t gotta glare. Leave it to me!"
Audition Battle (Win) "I... won? I won! Victory is ours!"
Audition Battle (Lose) ...This feeling again... I’m sorry."
Program Audition Preparation "I’ve gotta show off my cool while I can, for those who believe in me!"
Program Audition (Self) "I’m never alone!"
Program Audition (Rival) "...Alright. Come and have at me, already."
Live Preparation "I wanna just sing my heart out already."
Live Continuation (1) "Can you feel it?! All of us and all of you are as one!"
(2) "Producer! I can't back out now! Give me a chance!"
Live Success! (1) "Great-grandpa, grandpa, grandma, everyone! I did it!"
(2) "Our hearts being connected is something that can really happen...!"
(3) "Let my song reach you! No matter who you are, none of you are alone!"
Seiji Shingen Conversation
Live Hideo: "You're calm as ever, Shingen."
Seiji: "Haha, but I'm more nervous than I was in combat maneuvers, you know?"
Desk (1) Hideo: "Shingen, will you lend me your strength?"
Seiji: "Of course I will, don't ask such silly things."
Desk (2) Seiji: "Hideo, smile, smile."
Hideo: "You mean, I forgot again...how's this?"
Ryu Kimura Conversation
Live Hideo: "Ryu, are you all ready?"
Ryu: "I double-checked my shoelaces! Let's go!"
Desk (1) Ryu: "Shoelaces are tied! Lucky charms are all on me! Let's go!"
Hideo: "Hey, you dropped your safe driving charm!"
Desk (2) Hideo: "I hope we can finish our work without any problems."
Ryu: "Please pray that nothing will happen..."

Song Discography

Image songs

Heartful Patroller

Recorded Solo Songs

Recorded Solo Songs
Song Classification CD
Heartful Patroller Solo Song THE IDOLM@STER SideM ORIGIN@L PIECES 08
Swing Your Leaves Akuno Hideo Solo Remix THE IDOLM@STER SideM 3rd ANNIVERSARY SOLO COLLECTION 02
Three Brace Akuno Hideo Solo Remix THE IDOLM@STER SideM 5th ANNIVERSARY DISC 04 FRAME & S.E.M & Legenders

Recorded Group Songs

Recorded Group Songs
Song CD Sung With
Yuukan Naru Kimi e THE IDOLM@STER SideM ST@RTING LINE-08 FRAME Seiji Shingen and Ryu Kimura
MISSION is Peaceful!
Beyond The Dream THE IDOLM@STER SideM "Beyond The Dream" 315 ALLSTARS
315 Intelligent Idols
Swing Your Leaves THE IDOLM@STER SideM 3rd ANNIVERSARY DISC 02 FRAME & Mofumofuen & F-LAGS Seiji Shingen and Ryu Kimura
Compass Gripper!!! Ryo Akizuki, Daigo Kabuto, Kazuki Tsukumo, Seiji Shingen, Ryu Kimura, Nao Okamura, Shiro Tachibana, and Kanon Himeno
Towa Naru Yonjuushi THE IDOLM@STER SideM WORLD TRE@SURE 01 Suzaku Akai, Amehiko Kuzunoha, and Teru Tendo
LIVE in your SMILE THE IDOLM@STER SideM 4th ANNIVERSARY DISC "LIVE in your SMILE / DREAM JOURNEY" Altessimo, W, FRAME, Sai, Shinsoku Ikkon, S.E.M, THE Kogadou, and Legenders
ALL nOR NOTHING THE IDOLM@STER SideM Drama CD "Best Game 2 ~Meiun o Kakeru Trigger~" Yukihiro Kamiya, Sora Kitamura, Shoma Hanamura, Natsuki Sakaki, and Nao Okamura
Kassai! ~Kachoufuugetsu~ THE IDOLM@STER SideM Struggle Heart 2 Original CD Seiji Shingen and Ryu Kimura

Trivia and Fan Culture


  • Hideo shares the same birthday with Eri Mizutani and Sanae Katagiri.
  • Hideo's family consists of himself, his parents, his grandparents, two sisters (older and younger), a younger brother, and two dogs. All of these family members share his facial problems.

Fan Culture

  • Hideo is sometimes depicted in fanwork with fellow former police officer Sanae Katagiri. Some fans have even gone as far as to suggest that they worked at the same police station prior to quitting.
  • He is sometimes depicted in fanwork with Hiromi Seki, who also has similar facial problems.
  • Akira Sunazuka often gets associated with Hideo for their sharp teeth.

Character Gallery


SideM Cards