Koshouji Megumi joined BiS on November 19th, after having previously been a fan of the group.
Megumi's debut single, STUPiG, was released January 22nd.
Just a couple of months after her initiation, BiS announced they would disband on July 8th.
Koshouji Megumi's only studio album with BiS, WHO KiLLED IDOL?, was released on March 5th.
On July 8th, during BiS' disbandment live, Koshouji Megumi announced that she would form a new unit, Book house girl, with former Izukoneko producer Sakurai Kenta (Izukoneko herself would form pla2me with Megumi's BiS groupmate Kamiya Saki the same day).
After the remaining members were announced, Book house girl changed their name to Maison book girl on November 5th.
On January 16th, Koshouji Megumi released a self-titled book of poetry. This release would kick-start an ongong trend where readings of Megumi's poems would be included on Maison book girl's singles and albums.
Megumi's debut album with Maison book girl, bath room, was released on September 23rd.
During her birthday event on September 28th, Koshouji Megumi released an untitled CD-R album containing recordings of herself singing Sacchan no Sexy Curry.
On December 14th, Koshouji Megumi appeared as a guest vocalist on Gomess' album, "Joukei -Kohen-" on the track "Saigo no Hi"
From April, Koshouji Megumi started making frequent appearances on BYS alongside other first-generation BiS members.
On March 20th, Koshouji Megumi was the voice of a major role in episode 11 of the Rinshi! Ekoda-chan anime series.
- Stage Name: Koshouji Megumi (コショージ メグミ)
- Birth Date: September 28th, 1993 (age 26)
- Nickname: Coshotan (コショタン), Megumon (メグモン)
- Western Zodiac: Libra
- Eastern Zodiac: Rooster
- BiS Role: Spice Member (味つけ担当)
- WACK status:
- 2013.12.19: Joined BiS
- 2014.07.08: Graduated (BiS Disbands)
- BiS Colour: ■ Orange
- WACK Groups:
- BiS (2013-2014)
- Other Groups:
- [2015.09.28] Koshouji Megumi Seitansai Gentei CDR (Solo CD-R)
Other Media Edit
- [2015.01.16] Koshouji Megumi
- [2014.07.08] BiS Nari no All Night Nippon DVD
- [2015.03.07] Sekai no Owari no Izukoneko
- [2015.07.22] Kanzenban BiS Cannonball 2014
- [2019.03.21] Rinshi! Ekoda-chan (Episode 11)
Web Series Edit
- [2019.11.27-2019.12.22] Pick Ups! -Maison book girl-
Lyrics Written Edit
- Was often made fun of for her resemblance to former Dempagumi.inc member Mogami Moga.
- As of 2018, every single audition boot camp finalist who was named after her (Koshouji Megumu, Ooshouji Megumi and Choushouji Megumi) has successfully debuted in her old group, BiS
- Was the last 1st Generation member of BiS to join before its disbandment.