2019:
June 11 – 3rd generation officially starts. Members announced, covered faces revealed. 5 members – Itou Musensiteebu, Chantmonkee, Neo Trees, Toggy, Manako Chiii Manako
July 30 – [BiS-どうやらゾンビのおでまし] censored music video released
August 1 – Itou Musensiteebu became first member to reach 15,000 Twitter followers and reveal her face. Manako Chiii Manako came second
August 2 – Neo Trees became third member to reach milestone, followed by Chantmonkee and finally Toggy
August 4 – [BiS-どうやらゾンビのおでまし] Uncensored music video released
August 13 – Manako Chiii Manako leaves group, citing differening opinions on the group’s direction
August 14 – [Brand-new idol Society] album released. Also released 3 non-album songs onto their Soundcloud
October 1 – Zuzu Death joins group
October 7 – Zuzu Death leaves group, before debut or face reveal due to family reasons
November 2 – Took part in 24 hour long 200km marathon against CARRY LOOSE. BiS lost race
November 5 – [DEAD or A LiME] music video released
November 20 – [DEAD or A LiME] single released
November 24 – BiS performs as CARRY LOOSE’s opening act following the marathon defeat
2020:
January 3 – [BASKET BOX] music video released. It was also announced that Chantmonkee will be taking part in the WACK Joint Audition 2020
January 28 – [STUPiD (NEW TYPE Ver.)] music video released
February 5 – [LOOKiE] album released
WACK is IDOL 