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.

Current Members

 * Kisaragi Megumi (如月愛海) (Original Member) (Red)
 * Mashiro (ましろ) (Original Member) (White)
 * Hitomi Yotsu (一十三四) (Joined August 2015) (Green)
 * Nagi Akebono (凪あけぼの) (Joined May 2019) (Positive color/Yellow)
 * Yukinojou Oyatsu (征之丞十五時) (Joined May 2019) (Sky blue)

Former Members

 * Yumesaki Asuna (夢咲夢日) (Withdrew October 17, 2015) (Yellow)
 * Mogeki Aza (もげきあざ) (Withdrew November 23, 2016) (Purple)
 * Narumi Gomochi (成海5才) (Retiring December 30, 2016) (Light Blue)
 * Mikuchiyo Mene (未来千代めね) (Joined January 2017; Withdrew August 5, 2017 due to health reasons) (Blue)
 * Togaren (咎憐无) (Joined January 2017; Graduated and left entertainment business April 28, 2019) (Light Pink)

Albums

 * [2016.01.27] Yamikawa IMRAD (やみかわIMRAD)
 * [2016.11.09] Anima Animusu PRDX (アニマあにむすPRDX)
 * [2017.09.06] Egotistic Eat Issues
 * [2018.07.04] NEORDER NATION

Best Albums

 * [2017.09.06] Ninon (新音)

Digital Singles

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

Indies Singles

 * [2016.04.06] Mudai Gassho (無題合唱)
 * [2016.07.13] Boku Tabetamo Kimi no Subete wo (僕喰賜君ノ全ヲ)
 * [2017.02.15] Sophmore Sick Sacrifice
 * [2017.04.26] Wagamama Shinsei Hominina (わがまま新生Hominina)
 * [2017.12.06] Sekirarararai Otto (せきららららいおっと)
 * [2018.04.04] Tonari Korearata (トナリコレアラタ)
 * [2019.02.06] Natural Born Independent / Romansusekuto (Natural Born Independent / ロマンスセクト)

Mix CD

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

Live

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