Otoharu Riyo
About
Otoharu Riyo streams as part of IRIAM US. Presents as Male. Operates out of United States. Content is delivered in japanese. Additionally fluent in english. Maintains a presence across YouTube / X (Twitter) / TikTok. Has built an audience of 6.6K followers on Twitter. Known for asmr, gaming, voice acting, drawing content. Often tagged with free talk, united states, #otoharuriyo, #riyonline. Has been performing since IRIAM: 2024/11/15 YouTube: 2024/11/17. Production credits include modeler by LinkedBrain & Rig: EVOLVE INC, illustration by Model: LinkedBrain Rig: EVOLVE INC. Visual design notes: Riyo has short light pink hair with light blue and purple streaks and two black triangle hair clips. Backstory excerpt: Riyo's Twitter account was created on 11 August 2024. Notable detail: He has trained as an idol since 2008. Otoharu stands at 5'8" (172 cm), character age 26 years old. Zodiac sign: Taurus. Signature mark used by fans: 🎤🦐. Their profile includes an introduction video, a 181-image gallery. Often appears with orpheus-nephilim, xanderzubu, sarugaku-leon-jr. Their community goes by "VIPs". Goes by Riyoyo / RiyoRiyo / Riichan in different contexts.
Character Info
Community
Hashtags
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Recent Activity
Introduction Video
Gallery








Appearance
Riyo has short light pink hair with light blue and purple streaks and two black triangle hair clips. He has blue eyes with a mole under each eye. He has a single fang tooth and a triangle earring in his left ear.
Background
Riyo's Twitter account was created on 11 August 2024. His first tweet was made on 30 September 2024.
Debut
On 15 November 2024, Riyo debuted on IRIAM, the same day that IRIAM launched in the US.
On 17 November 2024, Riyo debuted on YouTube. Due to technical difficulties, he had to attempt his debut livestream four times.
Mascots and fans
- Riyo's fanbase are called VIP. They are depicted as shrimps. ** He created a Picrew called the "VERY IMPORTANT PRAWN MAKER" where fans can make their own VIP mascot. * Riyo's mascot is a shrimp manager named Ebimane.
Relationships
- "Pantheon" - Riyo, Orpheus Nephilim, Apollon Akeboshi, Gun D. Drake, Domino Muryo and Nagi Nanase.
Likes and dislikes
- Likes: BL drama series, Shoujo and Magical girl series, Spicy Foods, Iced Drinks, J-POP Idols, Men's Idols, Sub-Cul Deep Dives, Sleeping in freezing temperatures, Cute Mascot Characters, Second Hand Shopping, Collecting Everything! ** Anime: Cardcaptor Sakura, Ah! My Goddess, The Melancholy of Haruhi Suzumiya, Yuri on Ice, Kuroko no Basuke, A Little Snow Fairy Sugar, Free!, Moomin, Shirokuma Cafe, Chiikawa ** Drama/Variety: What Did You Eat Yesterday?, 25 Ji Akasaka De, Mr. Unlucky Has No Choice But To Kiss, Cherry Magic, Old Fashion Cupcake, Pretty Guardian Sailor Moon, Girls x Heroine Series, Super Sentai Series, All ARASHI Variety Shows, Hajimete no Otsukai ** Games: Katamari Damacy, Fatal Frame, Old J-RPGs, Dance Dance Revolution, Touhou Spellbubble, Ensemble Stars!, Pop'N'Music, WACCA, CHUNITHM, Any Party or Group Games!, Claw Machines ** Music: Alternative Idols, Shoegaze, Math Rock, Post Rock, Anison & Doujin Music, BENMANI & J-Core, Noise, Men's Idols, Indie Folk & Rock, Synthpop * Dislikes: People who do not reflect on their actions, Hot Weather, Hot Drinks, “Cringe Culture”, Death of Flash Player, Being Sedated, Being seen by the mail person, Picking up phone calls, Those who can't mature, Making fun of other's interests, Not getting your attention, Seafood (SHRIMP ONLY!!!!) * Hobbies: DIY projects, Any art & craft, Writing lyrics and harmonization, Playing phone games that your grandma probably also plays, Collecting various vintage toys, Trying new local cafes, Giving advice, Wotagei, Working overtime
Miscellaneous
- He has trained as an idol since 2008. From 2009 to 2011, he was signed to the same recording label as Perfume.
- His birthday is on national shrimp day.
- He has a cat, nicknamed Rinnya.
- He has a high spice tolerance, as well as a high alcohol tolerance.
- He is allergic to strawberries.
- His favorite Chiikawa character is Usagi. His least favorite is Momonga.
- His favorite Sanrio character is Pompompurin.
- He collects magical girl merchandise, including manga and dolls.
- He loves characters with glasses.
- His rice purity score is 97.
- As of October 2024, his active idol oshis are Tomizono Rikiya from UNiFY, Miyo Hirai from BEYOOOOONDS, and Taiyou from Lovesick.
- He uses Mistral Men's Cologne Bourbon Vanilla.
- He has a signed picture of Haruko Momoi that he got in 2008.
- He graduated film school with a focus in lighting and camera operation.
- For his birthday in 2025, one of his fans bought him a Cameo from drag queen Kori King, playing as her character Kori Toot.
- He spent four years studying Hajime Shino's voice to sound exactly like him.
- He makes a cameo in the video game lovebyte.exe.
- His favorite song is Nightbirds by NUIT.
- He was gifted a custom build RIYO themed PC by fans.
Frequently mentioned
More VTubers from United States
More Info
Profile
It's TRI-AGAIN's lead vocalist, Riyo, ready to light up the stage and your smile! Everyone thinks I'm intimidating because of how I present on stage, but I want to show you who I really am. From here on out, let's talk about the things that make our hearts sing louder than our voices with no regrets! Life is full of taking chances, so I want to share this special stage of life together with you, got it? See you backstage!
Representing IRIAM US as their number one shrimp pink idol boy upon their USA debut on November 15, 2024, Riyo has solidified his place as a hardworking force to be reckoned with through his powerful vocal covers, pitifully cute failures at gameplay, and heart felt chats with his V.I.P.! Reaching many milestones in just his first quarter with IRIAM US such as ranking first in monthly rankings, producing concert events at conventions, and even holding his first meet and greet not even a month after his debut, Riyo hopes to work together to "RIYO THE WORLD" and light up everyone's smiles to be bright pink!
2024
On 1 October, Riyo reached 69 followers on his Twitter account.
On 7 October, Riyo reached 1,000 followers on his Twitter account.
On 29 October, Riyo reached 500 subscribers on his YouTube channel.
On 4 November, Riyo reached 1,000 subscribers on his YouTube channel.
On 17 November, Riyo's DEBUT VOICE pack went up for sale.
On 23 November, Riyo's Debut Goods went up for sale.
On 23 November, Riyo reached 5,000 subscribers on his YouTube channel.
On 12 December, Riyo reached 7,000 subscribers on his YouTube channel.
On 24 December, Riyo released his first cover song "Strobo Nights" by kz-livetune.
2025
On 9 February, Riyo reached 3,000 followers on his Twitter account.
On 15 February, Riyo's IRIAM × Animate Collaboration goods went up for sale.
On 8 March, Riyo reached 1,000 followers on his IRIAM account.
On 18 March, Riyo's Model Session voice pack went up for sale.
On 13 April, Riyo reached 13,000 subscribers on his YouTube channel.
On 21 April, Riyo's 2025 Birthday Goods went up for sale.
On 1 May, Riyo released his first original song PARALLEL ESCAPE. To celebrate, he did a giveaway for two signed shikishi boards. PARALLEL ESCAPE is a playable song in the rhythm game PROJEKT GODHAND.
On 29 May, Riyo's Hatsukoi Package voice pack went up for sale.
On 13 July, Riyo reached 4,500 followers on his Twitter account.
On 26 July, Riyo held a 10 hour Matsuken Samba karaoke on IRIAM. He posted about the livestream on his Twitter account, saying he had an announcement he'd be making on stream. He then proceeded to sing the song Matsuken Samba II by Ken Matsudaira for 10 hours straight.
On 26 July, Riyo reached 1,500 followers on his IRIAM account.
On 28 July, Riyo reached 5,000 followers on his Twitter account.
On 15 August, Riyo's Healing Visit voice pack went up for sale.
On 4 September, Riyo reached 1,600 followers on his IRIAM account.
On 11 October, Riyo's One Year Anniversary Merch went up for sale.
On 16 November, Riyo held a donothon and celebrated his one year anniversary. Many of the goals were met, such as a nsfw voice pack, UTAU voice bank and chat designing a new outfit.
2026
In January, Riyo's TikTok and Instagram accounts were created.
On 14 February, Riyo's My Midnight Idol voice pack went up for sale.
On 15 February, Riyo reached 1,000 followers on his TikTok account.
On 3 March, Riyo's UTAU voice bank released.
On 26 March, Riyo held a giveaway of two bundles. The "oshi" bundle contained a set of his one year anniversary goods. The "kamioshi" bundle contained various Riyo related items.
On 10 May, Riyo released his second original song L1V3 4 U. He debuted his second outfit on his birthday livestream. His Birthday + New Outfit goods went on sale as well as a free mini-voice scenario Riyo's Second Birthday VIP Package.
2024
- On 3 December, Riyo participated in festneival2024's &MOON Concert.
- From 20-22 December, Riyo was a guest at Holiday Matsuri, where he held a meet and greet. On 22 December, Riyo participated in the VTuber concert Brand New Mirai at OshiOasis. The concert was streamed on YouTube as well.
2025
- On 14 February, Riyo participated in Raechit's 2025 Valentines Day Concert. The concert was streamed on YouTube. * On 22 February, Riyo was a guest at Aniwaves. He held a meet and greet and a mini concert. * On 19 April, Riyo was a guest at AniFest. He held a meet and greet event and performed at Sakura Stage. There, he performed his original song PARALLEL ESCAPE for the first time. * From 20-22 June, Riyo attended OffKai Expo. At the IRIAM Booth there was a Riyo penlight for sale. A stamp rally was also held with Riyo exclusive OffKai merch. ** On 20 June, Riyo held his first meet and greet. He performed at Chuuzerkai, which was streamed on YouTube. He also performed at Blue Star Room, where he had a cocktail themed after him called "Riyo's VIP PASS". ** On 21 June, Riyo performed at Maid With Love V-Idol Festival, which was streamed on YouTube. He also performed at Nyan Nights, as well as at the IRIAM Party where he had a themed drink called "Backstage Pass". He was also a member of the IRIAM Host Club. ** On 22 June, Riyo held his second meet and greet. * On 26 July, Riyo participated in Hello!Project ~ Meccha Festival ~ Summer Camp. The concert was streamed on YouTube and Twitch. * From 1-31 August, Riyo was featured on a video ad in Tokyo Metro Akihabara Station. * On 30 August, Riyo attended San Japan. He held a meet and greet at Kawa Entertainment's booth and performed at BRAND NEW MIRAI. ** On 13 July, Riyo opened auditions for BRAND NEW MIRAI. The concert was held in person at San Japan on 30 August, and streamed on YouTube on 5 September. He not only performed it in, but also hosted, edited and produced the event. * On 7 September, Riyo made an appearance at VeXpo. He participated at a Jackbox panel along with XanderZubu, Sarugaku Leon Jr., and Komiyama Ambros. * On 1 November, Riyo was a guest at U.S. IdolFes. He performed at Virtual Stardust Vtuber Idol Fest, which was also streamed on YouTube. He also held a meet and greet where people could take a cheki with him. * On 9 November, Riyo participated in the GLOBIE PRIDE CONCERT 2025. The concert was streamed on YouTube. * On 15 November, Riyo participated in the IRIAM US "Our First Year Festival". He was a cohost as well as a performer. The event was streamed on YouTube and Twitch. * On 23 December, Riyo participated in Obake PAM's 2025 Vtuber Christmas Concert. The concert was streamed on YouTube and Twitch.
2026
- On 9 January, Riyo performed at Bread and Butter Live at Animé Los Angeles. The event was streamed on YouTube.
- On 23 January, Riyo performed at Kōri-Oujo's Sunlight Stage Concert at Taiyou Con. The event was streamed on Twitch.
- On 14 February, Riyo participated in Vampirate Odessa's NOT ALONE ON VALENTINE'S DAY Karaoke Relay. He also participated in Neko Mikki's #HeartWAVE Festival. The event was streamed on Twitch.
- On 14 March, Riyo participated in Orpheus Nephilim's LOVE IS WORLDWIDE CONCERT. The concert was streamed on YouTube.
- On 10 May, Riyo participated in Utano Pandora's PANDORAIDORU CONCERT. The concert was streamed on YouTube.
Quotes
- "Riyahoo~"
- "Byebyeyo~"
- "RIYO your mind, RIYO the world!"
- "Trying to win your heart, can I be very important to you too?"
- "Official welcome to the V.I.P club! That makes you a very important person, but also a very important prawn 'cause we're all shrimp here!"
Identity
- Color: white
- Race: Human
- Occupation: Lead singer of Electro-pop band “TRI-AGAIN”
- His MBTI is INFP-T.
- He is half-Norweigan, half-German.
- He knows American Sign Language (ASL) and a little bit of Japanese.
Media
- Otoharu Riyo Ch. 【IRIAM US】 - YouTube account
- Otoharu Riyo - Twitter / X account
- Otoharu Riyo - TikTok account
- Otoharu Riyo - Instagram account
- IRIAM - Official profile
- us.iriam.com - Official website
Hashtags
- #OtoharuRiyo - General
- #Riyonline - Live
- #Riyorenders - Art
- #Riyoremix - Music
- #RiyoRiyoDouga - Clips
- #Otohaharu - Memes
- #Riyohyeah - 18+
- #TSKRiyo - Assets
- #Riyoshikatsu - Merch/Oshikatsu

































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