Tsunderia

Tsunderia's Twitter account was created in April 2020, and their first talent, Kamiko Kana, announced she would be joining on 23 June, having previously been an independent talent. She was followed by Inukai Purin on 26 June, and Hoshino Charlotte on 27 June, forming the first three members of the company as Gen 0. On 29 November, Tsunderia announced their First Generation VTubers, which includes Nini Yuuna who was previously independent. She debuted under Tsunderia later on December along with three other new members.

Kamiko Kana announced she would be returning to independent status on 4 February. On 14 February, one of Tsunderia managing staff, Umiushi Urara, made a VTuber redebut. On 4 April, Kirihime Ria graduated from Tsunderia, ceasing her activity as a VTuber. On 3 May, it was announced that ex-MyHolo TV member Miori Celesta would join the agency as an additional member of the 1st Generation. On 28 June, Tsunderia officialy announced their Second Generation VTubers, Amemachi Hanabi and Orla Gan Ceann. On 30 October, Tsunderia Twitter account uploaded a video teaster to announce their new Gen, Gen 3 is also known as Tsunderia Dream (commonly shortened to "TsunDream"). The group has 5 members, including Chikafuji Lisa, Uzuki Tomoya, Tetsuya Kazune, Tsurugi Nen and Amiya Aranha. After the announcement, each member made their first Tweet. On 2 November, Tsunderia Twitter account updated Gen 3 debut date, they debuted on 6 and 7 November. On 4 November, Tsunderia Twitter account announced an original song "hazy hours" written and produced by TsunDream. The song was released on 5 November. On 29 November, Tsunderia opened their official merch shop. On 18 December, following the hiatus of Inukai Purin after she got affected by Typhoon Rai, 11 Tsunderia talents held a Christmas Karaoke Relay where a portion of funds donated would go towards helping her. On 1 June, they announced their new staff including 3 managers R, J, and M. On 29 June, they opened their 4th Generation audition.

On 19 January, Tsunderia's Twitter account annonced Rei and Myst were stepping down from their staff positions. On 23 January, Tsunderia's Twitter account announced Inukai Purin would leave the company and go independent. On 25 January, Tsunderia announced on Twitter that they were ceasing operations. The remaining talents with the agency would become independent VTubers. Notably, this decision was still in the works when Purin was released.