Previously named in Japanese with the same pronunciation. Officially renamed on 1 September 2021 per is a virtual YouTuber and singer affiliated with Cover Corporation's Hololive Production agency, who debuted in September 2020 as a member of the Hololive English Myth unit.
Overview Mori Calliope's fictional lore describes her as the "Grim Reaper's first apprentice" who, due to slow business, had to start a career as a VTuber and collect souls. Her character is reminiscent of the shinigami.
Mori is one of the five members of the agency's subgroup Hololive English: Myth, alongside Gawr Gura, Ninomae Ina'nis, Takanashi Kiara, and Amelia Watson. Her character designer is Yukisame.
Career Mori Calliope made her debut along with the other members of Hololive English Myth on 12 September 2020. Her debut EP, Dead Beats, was released on 17 October 2020 and charted at #23 at the Oricon Digital Albums Chart. She released her first single "Cursed Night" on 2 November 2020. This was followed on 4 April 2021 with another EP, Your Mori.; it charted at #35 at the Oricon Albums Chart.
In April 2022, Mori announced that she had signed with EMI Records, and that she would mark her major-label debut with her third EP, Shinigami Note. Released on 20 July 2022, Shinigami Note charted at #9 at the Oricon Albums Chart. On 21 July 2022, Mori's first solo concert, New Underworld Order, was held at Toyosu Pit in Tokyo. A Blu-ray of the concert was released on 3 May 2023. On 11 October 2022, it was announced that she would release her debut album Sinderella on 16 December; the album's themes include the seven deadly sins and personal guilt. It charted at #28 at the Oricon Albums Chart. In July 2023, she released "Future Island", a song commemorating Volume 106 of One Piece. On 18 August 2023, she released another EP, Jigoku 6; it charted at #16 on the Oricon Albums Chart. In December 2023, she won Best Music Vtuber at the 2023 Vtuber Awards.
In March 2024, Mori and Warner Bros. Entertainment announced that she would be singing the ending theme for the anime Suicide Squad Isekai, titled "Go-Getters". In May 2024, it was announced that she would release her second major-label album, Phantomime, on 16 August. In October 2025, Mori announced that she would perform the second opening theme in Gachiakuta, titled "Let's Just Crash". In November 2025, it was announced that Mori would release her third major-label album, Disasterpiece, on 6 February 2026.
In addition to music, Mori does video game livestreams on her channel. In a December 2020 livestream, she spent at least 90 minutes asking video game developer Atlus to allow her to stream one of their games, Persona 3, which Petrit Baillet of Dot Esports described as "a famous part of her ongoing streaming career". In June 2022, she expressed regret, admitting she hadn't realized how big Hololive had become at the time of the stream. In January 2023, she livestreamed Persona 3 on her YouTube channel for the first time.
In September 2021, she appeared at Calgary Expo and Fan Expo Dallas as part of Hololive English's North American tour. She has also appeared at Anime Festival Asia as a musical guest twice: in 2022 and 2023. In November 2023, she appeared at Anime NYC 2023 as a guest. In December 2023, she appeared at Anime Frontier 2023 as a guest.
Artistry Katie Gill of Anime Feminist described her profanity-laden rap music as an exception to the widespread use of Japanese idol themes within Hololive. Teddy Cambosa of Anime Corner said that her "style of rapping comes in line with the rise of other large VTubers that are now leaning towards a more Western preference instead of the Japanese idol grassroots".
In an August 2022 Crunchyroll News interview, when asked which music was the most influential to her, Mori explained that her interest in rapping was first sparked by Japanese hip hop, citing the genre's unique style and intensity. She also cites the electro-swing duo as her inspiration for her rapping career.
Discography Studio albums Title Album details Peak chart positions Sales JPN JPNComb. JPNHot
UKDown. USHeat.Heatseeker Albums:
USSalesTop Album Sales:
USWorldWorld Albums:
UnAlive Released: 21 March 2022 Label: Cover Corp Formats: Digital download, LP, streaming — — 34 45 — — — JPN: 1,156 Sinderella Released: 16 December 2022 Label: EMI Formats: CD, digital download, LP, streaming 28 34 17 80 11 — — JPN: 3,547Physical sales (2,756):
Digital sales (791):
Phantomime Released: 16 August 2024 Label: EMI Formats: CD, digital download, streaming 12 18 13 — 5 9 4 JPN: 4,283Physical sales (3,864):
Digital sales (279):
Disasterpiece Released: 6 February 2026 Label: EMI Formats: CD, digital download, streaming 17 34 — — — 24 7 JPN: 3,339Physical sales (2,949):
Digital sales (237):
"—" denotes releases that did not chart or were not released in that region.
Extended plays Title EP details Peak chart positions Sales JPN JPNComb. JPNHot UKDown. USHeat. USSales USWorld Dead Beats Released: 17 October 2020 Label: Cover Corp Formats: Digital download, streaming — 44 — — — — — JPN: 2,847Cumulative sales for Dead Beats:
Your Mori. Released: 4 April 2021 Label: Cover Corp Formats: CD, digital download, LP, streaming 35 42 12 — — — — JPN: 3,942Physical sales (2,551):
Digital sales (1,391):
Shinigami Note Released: 20 July 2022 Label: EMI Formats: CD, digital download, LP, streaming 9 11 5 78 — — — JPN: 8,731Physical sales (7,789):
Digital sales (942):
Jigoku 6 Released: 18 August 2023 Label: EMI Formats: CD, digital download, LP, streaming 16 24 8 — 6 25 8 JPN: 3,682Physical sales (3,186):
Digital sales (496):
"—" denotes releases that did not chart or were not released in that region.
Mixtapes Title Album details My Mixtape Released: 1 April 2022 Label: Self-released Format: Streaming
Singles As lead artist Title Year Peak chart positions Sales AlbumJPN Dig. JPNDL
USWorld "Cursed Night" 2020 — — — rowspan="4" "Off with Their Heads"2021 — — — — — — "End of a Life" — 84 — "Graveyard Shift" — — — UnAlive "Q" — 70 7 "Dawn Blue" — 50 — "CapSule"2022 — 25 12Shinigami Note "Mera Mera" — 95 — "I'm Greedy" — — — Sinderella "Nezumi Scheme" — — — 2023 — 73 — Jigoku 6 "Six Feet Under" — — — "Sneaking" — — — Phantomime "Overkill" 2024 — — — "Tide" — — — "Midnight Mayoi" — — — "Go-Getters" 41 43 — JPN: 2,900 Cumulative sales for "Go-Getters":
"Flash Bang" — — — Disasterpiece "Seeing Stars" 2025 — 99 — "Sepia" — — — "Die for You" — — — "Orpheus" — — — "Let's Just Crash" 39 39 — JPN: 867 "Gold Unbalance" 33 41 — JPN: 1,172 "Rivals and Equals" 2026 — — — 21 21 — JPN: 2,431 Cumulative sales for "Reimei Compass":
rowspan="2" "Nightbreak" — — — "—" denotes releases that did not chart or were not released in that region.
As featured artist Title Year Peak chart positions Album JPNComb. JPNHot "Yona Yona Journey" 2021 — — Aliens "Wicked" 2022 — — 39 32 2023 — — rowspan="5" "Fire N Ice" — — 2025 — — — — — — "—" denotes releases that did not chart or were not released in that region.
As collaborative artist Title Year Peak chart positions Album JPNDL "Spiral Tones"2021 — rowspan="16" "Journey Like a Thousand Years"2022 — "Reaper vs. Sheep -Ouen ver.-" 74 "Reaper vs. Sheep -Kenko ver.-" — "Non-Fiction" — "Connect the World" 2023 — "ReUnion" 2024 — "Breaking Dimensions" — "Start Again" — "The Show Goes On!" — "Odyssey" — "Over//Ride" 2025 64 "Queen of the Night" 76 "Light" — "Here Comes the ChadCast" 2026 — "This is Myth" — "—" denotes releases that did not chart or were not released in that region.
Promotional singles Title Year Album 2022 Shinigami Note 2023 Jigoku 6
Other charted songs Title Year Peak chart positions Album JPNDL 2020 14 Dead Beats "—" denotes releases that did not chart or were not released in that region.
Guest appearances Title Year Album 2020 "Crown" 2021 "Villain Vibes" 2022 Rise of the Monarch 2024 YOLO Vol. 1 "Pao Ying Chub! Drinkin'" 2024 Is There Anything on the Moon?
Videography Video albums Title Album details Peak chart positions Sales JPNBD Mori Calliope Major Debut Concert "New Underworld Order" Released: 3 May 2023 Label: EMI Format: Blu-ray 6 JPN: 1,135 Mori Calliope 2nd Concert "Grimoire" Released: 17 July 2026 Label: EMI Format: Blu-ray — "—" denotes releases that did not chart.
Filmography Year Title Role Notes 2026Though I Am an Inept VillainessKou TousetsuVoice; English dub
Awards and nominations Year Ceremony Category Result 2023 The Vtuber Awards Best Music Vtuber2024"2024 VTuber Awards Nominees". The Vtuber Awards. Archived 11 December 2024. Retrieved 15 December 2024.Tan, Melvyn (15 December 2024) "FUWAMOCO Bau Baus Their Way to VTuber of the Year at VTuber Awards 2024". Anime Trending. Archived from the original on 15 December 2024. Retrieved 15 December 20242025The Streamer AwardsBest Vtuber
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