I. Introduction
Hiroomi Tosaka (登坂広臣), known professionally as ØMI (オミ), is a Japanese singer-songwriter, performer, actor, and producer. He is a vocalist for Sandaime J SOUL BROTHERS from EXILE TRIBE after winning the EXILE Presents VOCAL BATTLE AUDITION 2 in 2010. He launched his solo career in 2017 with the single “WASTED LOVE,” adopted the stage name ØMI in 2021, founded and serves as president of CDL entertainment, and is a Creative Officer at LDH JAPAN.
II. CDL Logo

III. Official Accounts
Instagram:
omi.cdl |
cdl.tokyo (CDL Brand) |
@the_fusion_official (CDL Project)
X (Twitter):
@HIROOMI_3JSB_ (Artist & CDL) |
@cdlacademy_twt (CDL Academy, inactive)
Website:
HIROOMI TOSAKA |
CDLtokyo.com (CDL Brand)
Weibo: 登坂广臣HiroomiTosaka
YouTube:
@ØMI_JSB3 |
@HIROOMITOSAKA_JSB3
Spotify:
ØMI |
Hiroomi Tosaka
TikTok: @the_fusion_official (CDL Project)
IV. Profile
Stage Name: ØMI (オミ)
Birth Name: Tosaka Hiroomi (登坂広臣)
Position: Singer-Songwriter, Performer, Actor, Producer
Birthday: March 12, 1987
Zodiac Sign: Pisces
Height: 178 cm (5’10″)
Blood Type: A
MBTI: N/A
Nationality: Japanese
V. Facts
- Born in Hamura, Tokyo, Japan.
- Given name “Hiroomi” was inspired by Shakespeare’s “Romeo.”
- Has an older sister.
- Played soccer from elementary through high school.
- Developed a love for fashion through foreign artists’ music videos.
- Musical roots in R&B and Hip-Hop; tastes evolved over time.
- Enjoys creating story-driven entertainment and visualizes MVs before writing lyrics.
- Prefers lyric themes from characters/worldviews over personal emotions.
- Calls himself “almost an amateur” at dance.
- Close with Kawamura Kazuma of THE RAMPAGE.
- Has multiple tattoos, including “Forever Young” on the back of his neck.
- Selected as a vocalist for Sandaime J SOUL BROTHERS with Imaichi Ryuji from ~30,000 auditionees (2010).
- Acting debut in film Hot Road (2014); received multiple newcomer awards (Hochi Film, Japan Academy, Mainichi Film Awards, Japanese Film Critics Awards).
- First photo essay NOBODY KNOWS. released October 5, 2015.
- Solo debut as “HIROOMI TOSAKA” with “WASTED LOVE” (2017), starting the moon-themed CLAIR DE LUNE project.
- Subsequent digital singles: “DIAMOND SUNSET” (2017) and “LUXE” feat. CRAZYBOY (2018).
- First solo album FULL MOON (2018) followed by a solo tour (Aug–Dec 2018).
- First CD single “SUPERMOON” (Apr 2019); first overseas solo concert in Taipei (July 2019).
- Second CD single “OVERDOSE” (Nov 2019); second album Who Are You? (Jan 2020) with showcase tour with RYUJI IMAICHI.
- Announced new stage name ØMI and launched CDL entertainment under LDH Records (Feb 2021).
- Third CD single “ANSWER... SHADOW” (May 2021; title pre-released Feb 20, 2021).
- Main producer of girls division for iCON Z ~Dreams For Children~ (LDH JAPAN × HYBE LABELS JAPAN) announced July 16, 2021.
- Digital singles: “ANSWER... SHINE” (with “You,” produced by SUGA of BTS) on Oct 15, 2021; “SHINE” on Dec 13, 2021.
- Third studio album ANSWER... (Feb 2, 2022) and ØMI LIVE TOUR 2022 "ANSWER..." (Feb–Apr 2022).
- Stage name “ØMI” officially listed in Sandaime J SOUL BROTHERS (Aug 2022).
- Second photo essay LAST SCENE released Oct 17, 2023.
- Appointed Creative Officer of LDH JAPAN on Nov 4, 2023.
- Released digital single “Purple Pill” featuring SKY-HI on June 21, 2024.
- Promotes Japanese culture/products globally through entertainment; “moon” concept contrasts with EXILE TRIBE’s “sun.”
VI. Dramas
- High&Low: The Story of S.W.O.R.D. Season 2 | 2016 — Guest Role “Amamiya Hiroto” [Amamiya Brothers] (Ep. 3)
- High&Low: The Story of S.W.O.R.D. | 2015 — Support Role “Amamiya Hiroto” [Amamiya Brothers]
VII. Movies
- Snow Flower | 2019 — Main Role “Yusuke Watabiki”
- DTC: Yukemuri Junjo Hen from HiGH&LOW | 2018 — Guest Role “Amamiya Hiroto”
- HiGH&LOW the Movie 3: Final Mission | 2017 — Main Role “Amamiya Hiroto”
- HiGH&LOW the Movie 2: End of Sky | 2017 — Support Role “Amamiya Hiroto”
- HiGH&LOW: The Red Rain | 2016 — Main Role “Amamiya Hiroto”
- HiGH&LOW: The Movie | 2016 — Support Role “Amamiya Hiroto”
- Road to HiGH&LOW | 2016 — Support Role “Amamiya Hiroto” [Amamiya Brothers]
- Hot Road | 2014 — Main Role “Hiroshi Haruyama”
VIII. Discography
Studio Albums
- [2018.08.08] FULL MOON
- [2020.01.08] Who Are You?
- [2022.02.02] ANSWER...
Joint Albums
- [2018.06.06] FUTURE (Disc 3)
Mini-albums / EPs
- [2026.01.28] THE FUSION
Singles
- [2019.04.10] SUPERMOON
- [2019.11.20] OVERDOSE
- [2021.05.12] ANSWER... SHADOW
Digital Singles
- [2017.07.27] WASTED LOVE
- [2017.10.13] DIAMOND SUNSET
- [2018.01.26] LUXE
- [2019.07.12] SUPERMOON ~Sen~
- [2021.10.15] ANSWER... SHINE
- [2021.12.13] SHINE
- [2022.03.28] ANSWER ~LIVE FOREVER~
- [2024.06.21] Purple Pill
- [2024.10.18] Feel Gold
- [2025.07.28] To be
Pre-release Digital Singles
- [2019.11.15] OVERDOSE
- [2019.12.19] Who Are You?
- [2019.12.19] One Way Love
- [2021.02.20] ANSWER... SHADOW
- [2021.03.12] Can You See The Light
- [2021.04.16] Colorblind
- [2022.01.28] After the rain
Other Singles
- [2019.05.24] BLUE SAPPHIRE ~Gekijou-ban "Meitantei Conan Konjou no Fist" ver.~
Video Releases
- [2019.02.27] HIROOMI TOSAKA LIVE TOUR 2018 "FULL MOON"
- [2020.07.01] LDH PERFECT YEAR 2020 SPECIAL SHOWCASE RYUJI IMAICHI / HIROOMI TOSAKA
- [2022.07.13] ØMI LIVE TOUR 2022 "ANSWER..."
Collaboration / Others
- [2016.06.15] Various Artists – HiGH&LOW ORIGINAL BEST ALBUM (Disc 2 #2 "SIN" (ACE OF SPADES feat. Tosaka Hiroomi), #4 "CHAIN BREAKER" (PKCZ® feat. Tosaka Hiroomi))
- [2016.10.12] ACE OF SPADES x PKCZ® feat. Tosaka Hiroomi – "TIME FLIES"
- [2017.02.24] CRAZYBOY – NEOTOKYO EP (#4 "OZ Monster" feat. OMI)
- [2017.04.28] PKCZ® – "PLAY THAT" feat. Tosaka Hiroomi, Crystal Kay, CRAZYBOY
- [2017.08.02] PKCZ® – 360° ChamberZ (#6 "Beauty Mark" feat. Tosaka Hiroomi, SWAY; #8 "CHAIN BREAKER" (ALBUM Ver) feat. Tosaka Hiroomi, CRAZYBOY; #12 "BED ROOM" feat. CRAZYBOY, Tosaka Hiroomi)
- [2018.01.19] CRAZYBOY – NEOTOKYO Ⅲ EP (#1 "FIRST CLASS XMAS" feat. OMI)
- [2018.06.16] HONEST BOYZ® – "BEPPING SOUND" feat. HIROOMI TOSAKA
- [2018.08.29] SWAY – UNCHAINED (#6 "XXX" feat. AK-69 & HIROOMI TOSAKA)
- [2022.11.24] YOUNGOHM – "Where r u?" feat. ØMI of JSBⅢ
IX. Publications
Photo Essays
- [2015.10.05] NOBODY KNOWS
- [2023.10.17] LAST SCENE
X. Concerts / Tours
Tours
- [2018.08.18–2018.12.23] HIROOMI TOSAKA LIVE TOUR 2018 "FULL MOON"
- [2020.01.23–2020.02.24] LDH PERFECT YEAR 2020 SPECIAL SHOWCASE RYUJI IMAICHI / HIROOMI TOSAKA (joint tour with RYUJI IMAICHI)
- [2022.02.05–2022.04.28] ØMI LIVE TOUR 2022 "ANSWER..."
Concerts
- [2019.07.20–2019.07.21] HIROOMI TOSAKA TAIPEI CONCERT 2019 SUPERMOON ~UNDER THE MOONLIGHT~
- [2026.01.30–2026.02.01] ØMI LIVE 2026 ~INFINITY MOON~
XI. Awards
- [2014] 39th Hochi Film Award – Best New Artist (for Hot Road)
- [2014] 38th Japan Academy Prize – Rookie Actor Award (for Hot Road)
- [2014] 69th Mainichi Film Awards – Suponichi Grand Prix Rookie Award (for Hot Road)
- [2014] 24th Japanese Film Critics Awards – Rookie Actor Award (for Hot Road)