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From May 25th to June 19th, 2011, Supercell held an audition to find two new guest singers for their group. From over 2000 candidates, Chelly (17) and Koeda (15) were selected to be supercell's new singers. She is a good friend of Koeda, the other guest singer. Chelly has a soft, unique, and a well balanced voice. It has been noted that Chelly loves to draw. No one publicly knows what the singers actually look like. She was born on 12 April, 1994.

As one of two new guest singers of Supercell, Chelly was assigned to provide vocals for the singing voice of Yuzuriha Inori, who is the vocalist of a fictional band named EGOIST and the female lead of the anime Guilty Crown'. Her first two singles, were featured as a part of the anime. 'Departures ~Anata ni okuru ai no uta~' was used as the ending theme of the first half of Guilty Crown, while 'The Everlasting Guilty Crown' was the opening for the second half of the show. 'Euterpe' became an insert song that serves as the signature song of the fictional band.

With the rising popularity of Chelly's vocal appearance in Guilty Crown, the band EGOIST continued to exist in the real world even after the anime. The singer's face remains a mystery as Chelly retains the persona of Inori. EGOIST got another anime feature in Psycho-Pass and provided the ending themes to it. 'Namae no nai Kaibutsu' was released as the anime first ending theme and 'All Alone With You' was the second ending theme song.

Because of her popularity, she has been chosen to perform in AFA (Anime Festival Asia) Singapore 2013 together with some well-known artists such as; LiSA, Aoi Eir, May'n, and more. She has released a new single for the AFA Singapore 2013 as EGOIST which is titled "Suki To Iwareta Hi" (好きと言われた日).

When Psycho-Pass 2 came into production, EGOIST had an appearance once again to create the ending theme 'Fallen'.

20 May, 2015 Supercell was hired to compose music for the game Bravely Second. Chelly's vocals were used; this time, however, as a featuring artist of Supercell instead of EGOIST. She sung "Great Distance" which was used as the opening theme and "Last Song" for the ending theme.

Chelly returns as EGOIST with the production of the single "RELOADED," which features three songs as themes for three different movies.

In 2016, EGOIST were featured in the anime Koutetsujou no Kabaneri with the opening theme "Koutetsujou no Kabaneri" and the ending theme "ninelie" in collaboration with the artist Aimer.

Her newest single which was released in 2017 titled "Eiyuu Unmei no Uta" was featured as the first opening theme for the anime Fate/Apocrypha.

EGOIST Singles[]

[2011.11.30] Departures ~Anata ni okuru ai no uta~[]

  1. Departures ~Anata ni Okuru Ai no Uta~ (Ending)
  2. Euterpe
  3. Departures ~Anata ni Okuru Ai no Uta~ (TV Edit)
  4. Departures ~Anata ni Okuru Ai no Uta~ (BOOM BOOM SATELLITES Remix -meteoric rain-)
  5. Departures ~Anata ni Okuru Ai no Uta~ -Instrumental-
  6. Euterpe -Instrumental-
  7. Departures ~Anata ni Okuru Ai no Uta~ (TV Edit) -Instrumental[

[2012.03.07] The Everlasting Guilty Crown[]

  1. The Everlasting Guilty Crown
  2. Kimi Sora Kiseki
  3. The Everlasting Guilty Crown (BOOM BOOM SATELLITES remix -The Last Moment Of The Dawn-) 
  4. The Everlasting Guilty Crown (TV Edit)
  5. The Everlasting Guilty Crown -Instrumental-
  6. Kimi Sora Kiseki -Instrumental-
  7. The Everlasting Guilty Crown (TV Edit) -Instrumental-

Namae No Nai Kaibutsu cover Album, illustrated by Redjuice from Supercell.

[2012.12.05] Namae no nai Kaibutsu[]

  1. prelude
  2. Namae no nai Kaibutsu
  3. Kanadenaru
  4. Namae no Nai Kaibutsu (TV Edit 92s ver)
  5. Namae no Nai Kaibutsu -Instrumetal-
  6. Kanadenaru -Instrumetal-
  7. Namae no Nai Kaibutsu (TV Edit 92s ver) -Instrumetal-

All Alone With You Cover Album. Illustrated by Redjuice from Supercell.

[2013.03.06] All Alone With You[]

  1. All Alone With You
  2. elbadaernU
  3. All Alone With You (TV Edit)
  4. All Alone With You -Instrumental-
  5. elbadaernU -Instrumental-
  6. All Alone With You (TV Edit) -Instrumental-

[2014.11.19] Fallen[]

  1. Fallen
  2. 1.4.2
  3. Fallen (TV Edit)
  4. Fallen -Instrumental-
  5. 1.4.2 -Instrumental-
  6. Fallen (TV Edit) -Instrumental-

[2015.11.11] RELOADED[]

  1. RELOADED (Gyakusatsu Kikan Movie Theme Song)
  2. Ghost of a smile (Harmony Movie Theme Song)
  3. Door (Shisha no Teikoku Movie Theme Song)
  4. RELOADED -Instrumental-
  5. Ghost of a smile -Instrumental-
  6. Door -Instrumental-


  2. It's all about you

[2017.08.16] Eiyū Unmei no Uta[]

  1. Eiyū Unmei no Uta
  2. Eien
  3. Eiyu's Fate Song
  4. Eiyū Unmei no Uta -Instrumental-
  5. Eien -Instrumental-

[2019] Sakaseyasakase[]

  1. Sakaseyasekase
  2. London Bridge Is Falling Down
  3. The Everlasting Guilty Crown - Nightcore Mix
  4. Sakaseyasakase - Instrumental
  5. London Bridge Is Falling Down - Instrumental
  6. The Everlasting Guilty Crown - Nightcore Instrumental Mix

EGOIST Digital Single[]

[2013.11.06] Suki to Iwareta Hi[]

The single was released for the AFA Singapore 2013.

  1. 01. Suki to Iwareta Hi

EGOIST Album[]

Extra terrestrial biological entities album egoist

The cover of the album "Extra terrestrial Biological Entities"

[2012.09.19] Extra Terrestrial Biological Entities[]

The album was the first studio album of Supercell. It was the first Supercell's album with Chelly, containing 12 tracks:

  1. Genzai no Akari (原罪の灯)
  2. The Everlasting Guilty Crown
  3. Extra Terrestrial Biological Entities
  4. Ame, Kimi wo Tsurete (雨、キミを連れて)
  5. Lovely Icecream Princess Sweetie
  6. Teokure (手遅れ)
  7. LoveStruck
  8. Ce que j'aime ~Inori no Kyuuzitu~
  9. Omoi o Megurasu 100 no Jishou (想いを巡らす100の事象)
  10. Kono Sekai de Mitsuketa Mono (この世界で見つけたもの)
  11. Planete
  12. Departures ~Anata ni Okuru Ai no Uta~ (Departures ~あなたにおくるアイの歌~~)

ryo(supercell) Single[]

[2015.05.20] Great Distance[]

  1. Great Distance
  2. Last Song
  3. Great Distance -Instrumental-
  4. Last Song -Instrumental


  1. ninelie (with Aimer)
  3. hoshi to tsubasa no paradox
  4. 1,000,000 times (with My First Story)


Music Videos[]


EGOIST - All Alone With You


EGOIST - Namae No Nai Kaibutsu