OTAHOO Project

On 15 December, OTAHOO Project announced that two talents from the previously teased Gen 0 line-up were to be replaced due to personal circumstances between the company and the talents involved, with confirmation that there will instead be 6 members in Gen 0 in total. On 18 December, the (now privated) announcement PV introducing the Gen 0 talents was posted to the official OTAHOO Project YouTube channel. The roster consisted of Ywuria, Gira Makoto, Anneru Nekogami, Shiori Katsumi, Hano Hirai, and Yana Shitachi. The first half were to debut on December 30 while the second half were scheduled for a later time. On 30 December, the first half of Gen 0 consisting of Yana, Gira, and Ywuria debuted on their respective channels.

On 21 January, OTAHOO Project announced that the second half of Gen 0 were to debut on 24 January. On 24 January, the remaining members of Gen 0 held their debut streams. The line-up consisted of Katsumi, Anneru, and Hanno. On 27 January, Gira Makoto announced his personal withdrawal from OTAHOO Project due to differences in opinion with management. He reassured in the comments that he will still proceed with his VTuber activities, but as an independent talent instead. On 13 February, OTAHOO Project announced a 2-day podcast collaboration with Kuzu Krew. Day 1 would feature Katsumi and Hano while day 2 of the program featured Ywuria, Anneru, and Yana. On 21 February, Katsumi Shiori announced his departure from OTAHOO Project effective the same day after deliberations with management and members of Generation 0. The partnership ended on good terms and Katsumi would carry on with his activities independently. Katsumi subsequentlu held his graduation stream with a collab stream featuring the other members of Gen 0. On 18 March, the OTAHOO Project Facebook Page surpassed 1,500 followers and 1,400 likes. On 25 March, 2 additional members to Gen 0 were teased, with their reveal dates set to 27 March. On 26 March, OTAHOO Project announced the planned hiatus/break of Hano Hirai and Yana Shitachi due to important endeavors on the talents' part with Yana set to be on break for 2 months while Hano for an indefinite amount of time (under 2 months). On 27 March, Karoshi Fox (later changed his name to Akanari Matoi) and Inoue Kye debuted as additional members of OTAHOO Project's Gen 0. Though, due to technical errors, Kye's debut stream was rescheduled for 29 March. On 13 April, Anneru Nekogami announced an indefinite hiatus from streaming. On 27 May, OTAHOO Project announced their 1st generation, "Unit Aleph ( ℵ )". On 29 May, Sumiko Hayashi debuted as the first member of Unit Aleph. On 30 June, two more members were revealed and held their debuts as part of OTAHOO Project's Gen 1: Unit Aleph, Pan the Bread and Sakura Yumekawa. On 13 August, Erian Osamu held her debut stream as part of Unit Aleph. On 29 October, Daychu debuted as the fourth member of Unit Aleph.

On 6 February, OTAHOO Project announced the graduation of Hano Hirai from his VTuber activities after his channel became non-accessible[sic], making him the first member of OTAHOO Project to graduate. Alongside this, they also announced the departure of Ywuria from the group, continuing as an independent VTuber.