by 
Formation as Hangyaku no yami: December 21st, 2016
Disbandment of Hangyaku no yami: July 30th, 2017
Official debut as Gedou Hangyakusha Yamitera: August 6th, 2017
Label: independent
Lineup changes:
- departure of the drummer J 'ω' ² (October 28, 2017)
- drummer J 'ω' ² comes back (November 27, 2018) (details)
- departure of the drummer J 'ω' ² (July 21, 2026) (details)
ShuKa (gt.)
Yamitera
ex-Hangyaku no Yami
Birthday: November 27
Blood group: A
Favorite brand: Y-3, Yoji Yamamoto, Reebok, BALENCIAGA
Like: highball
Ranju / 蘭樹 (gt.)
Yamitera
ex-Hangyaku no Yami
Birthday: November 26
Blood group: O
Favorite brand: M+R NOIR, STUSSY, alexanderwang, wind and sea
Like: alcohol
Minato / 湊叶 (ba.)
Yamitera
ex-Hangyaku no Yami
Birthday: November 16
Blood group: O
Favorite brand: Vivienne Westwood
Ex members
J 'ω' ² (dr.)
-
ex-Yamitera, ex-Hangyaku no Yami
Birthday: July 20
Blood group: A
Like: ramens, carbohydrate
