Zenbu Kimi no Sei da.

 (ぜんぶ君のせいだ) is a "Yami-Kawaii" indies group formed in 2015. Kisaragi Megumi is the producer of the group.

2015
Zenbu Kimi no Sei da was formed in April 2015. They released their first digital single "Neo Jealous✡Mero Chaos" on July 8, 2015.

They released their second digital single "Shit End Placebo" on August 12, 2015. New member Hitomi Yotsu joined the group shortly after the release.

On October 17, 2015, Yumesaki Asuna withdrew from the group.

2019
On April 8, 2019, it was announced Togaren would graduate from the group on April 28 as well as retire from showbiz.

On May 13, 2019, 2 new members were added to the line-up, Nagi Akebono and Yukinojou Oyatsu.

2020
On July 30, 2020, it was announced that Nagi Akebono and Hitomi Yotsu would graduate from the group at the same time of the temporary suspension of the group on August 10, 2020.

On September 30, it was announced Mashiro had withdrawn from the group, while 3 new members was added.

2021
On January 11, 2021, Mei Yui Mei and Kotetsu, former members of Yukueshirezutsurezure, were added to the group.

Current Members

 * Kisaragi Megumi (如月愛海; ) (Original Member)
 * Yukinojou Oyatsu (征之丞十五時; ) (Joined May 2019)
 * Amanechi An (甘福氐喑; ) (Joined September 30, 2020)
 * Shizuku Fufu (雫ふふ; ) (Joined September 30, 2020)
 * Motochika Kasane (もとちか襲; ) (Joined September 30, 2020)
 * Mei Yui Mei (メイユイメイ; ) (Joined January 11, 2021)
 * Kotetsu (个喆; ) (Joined January 11, 2021)

Former Members

 * Yumesaki Asuna (夢咲夢日; ) (Original Member; Withdrew October 17, 2015)
 * Mogeki Aza (もげきあざ; ) (Original Member; Withdrew November 23, 2016)
 * Narumi Gomochi (成海5才; ) (Original Member; Graduated December 30, 2016)
 * Mikuchiyo Mene (未来千代めね; ) (Joined January 2017; Withdrew August 5, 2017)
 * Togaren (咎憐无; ) (Joined January 2017; Graduated April 28, 2019)
 * Nagi Akebono (凪あけぼの; ) (Joined May 2019; Graduated August 10, 2020)
 * Hitomi Yotsu (一十三四; ) (Joined August 2015; Graduated August 10, 2020)
 * Mashiro (ましろ; ) (Original Member; Withdrew September 30, 2020)

Albums

 * 1) [2016.01.27] Yamikawa IMRAD (やみかわIMRAD)
 * 2) [2016.11.09] Anima Animusu PRDX (アニマあにむすPRDX)
 * 3) [2017.09.06] Egotistic Eat Issues
 * 4) [2018.07.04] NEORDER NATION
 * 5) [2019.12.18] Arumumei (或夢命)

Best Albums

 * 1) [2017.09.06] Ninon (新音)

Re-recording Albums

 * 1) [2019.07.31] LIVE or DIE ~Chinu Ichi~ (LIVE or DIE〜ちぬいち〜)
 * 2) [2019.10.16] LIVE or DIE ~Chinu Ni~ (LIVE or DIE〜ちぬに〜)

Digital Singles

 * 1) [2015.07.08] Neo Jealous✡Mero Chaos
 * 2) [2015.08.12] Shit End Placebo (ShitEndプラシーボ)

Indies Singles

 * 1) [2016.04.06] Mudai Gassho (無題合唱)
 * 2) [2016.07.13] Boku Tabetamo Kimi no Subete wo (僕喰賜君ノ全ヲ)
 * 3) [2017.02.15] Sophmore Sick Sacrifice
 * 4) [2017.04.26] Wagamama Shinsei Hominina (わがまま新生Hominina)
 * 5) [2017.12.06] Sekirarararai Otto (せきららららいおっと)
 * 6) [2018.04.04] Tonari Kore Arata (トナリコレアラタ)
 * 7) [2018.12.02] Kawamei Zen'ya (革鳴前夜)
 * 8) [2019.02.06] Natural Born Independent / Romance Sect (Natural Born Independent / ロマンスセクト)
 * 9) [2019.07.31] AntiIyours
 * 10) [2019.10.16] Zenbu Boku no Sei da. (ぜんぶ僕のせいだ. )
 * 11) [2020.11.04] Insomnia (インソムニア)

Mix CD

 * 1) [2015.09.05] Imi Nante Nai (意味なんてない)
 * 2) [2015.10.14] Imi Nante Nai! (意味なんてない!)
 * 3) [2016.10.26] Imi Nante Nai? (意味なんてない？)

Live

 * 1) [2015.10.12] Kimi Kimi Syndrome X / Wazurai Hallelujah (Venue Limited Edition)