On 10 January, Kiara reached 700,000 subscribers on YouTube, during an endurance singing stream.
On 7 February, Kiara announced her second single, "Heart Challenger," which was released on 14 February to coincide with Valentine's Day. She reached 800,000 YouTube subscribers on the same day.
Late in February, Kiara's channel was temporarily shadowbanned by YouTube, and did not appear in search results and subscribers did not receive stream notifications. She took a short break from streaming to return to her home country. The shadowban was resolved on 4 March, and on 5 March she performed a German-language "HoloDE Debüt" stream in which she performed a German version of HINOTORI.
On 1 April, all holoMyth members revealed new chibi models based on popular fan designs by Walfie.
On 10 April, Kiara reached 900,000 subscribers on YouTube during another karaoke marathon.
On 30 April, hololive's Twitter account announced that every member of holoMyth would get their second 2D costumes.
On 4 May, Kiara debuted her second 2D costume, in this costume Kiara has her hair styled as braided twintails, she claims that she dyed the green in her hair to blend with humans better but couldn't change the color completely. She wears a translucent white blouse and handcuffs complemented with a green swimsuit, on her neck she wears a shocker that is a miniature version of her badge that allows her to transform into her phoenix form, Kiara also wears blue shorts. The outfit also includes a straw hat, shades, a brown bag with emblems of the holoMyth members, a pink pacifier and cat ears and tail that she claims came from living with cats.
On 30 May, just before her 12 hour marathon Kiara reached 1,000,000 YouTube subscribers, making her the 16th hololive member to reach that milestone and the 5th and last member of holoMyth to reach it, making holoMyth the first generation where every member has reached 1 million subs.
On 16 June, she collaborated with Nyatasha Nyanners in the first ever hololive x VShojo collab, which was streamed on both YouTube and Twitch. The event attracted a peak total of around 40,000 viewers across both sites.
On 6 July, Kiara celebrated her birthday with a birthday stream in which she released new merchandise. During that stream she also announced her third original song "SPARKS," which was released later on the same day on her YouTube channel.
On 12 September, during Myth's 1 year anniversary celebration, the group revealed their official logo and announced that every member would get their third 2D costumes.
On 31 October, -Myth- debuted their first original song "Myth or Treat" during a Halloween collab with every hololive EN member attending. The song lyrics were written by Calli. The official video of the song was later debuted that same day on Amelia's channel.
On 25 November, Kiara's Twitter account became verified.
On 30 November, Kiara got a new accessory for her second 2D costume as she can know wear her mascot Kotori on top of her headband, Kiara claims that Kotori is claustrophobic and because of this, she can't combine Kotori with any other head accessories.
On 12 December, Kiara debuted her third 2D costume. In this costume Kiara's hair has a darker shade of orange, the tips of her locks are purple to pink in color, near the end of her hair she retains some shades of blue, her phoenix feathers that are behind her ears that previously reached only to her shoulders now go down to her chest and darker blue in color these feathers are decorated with golden small ornaments, to the left of her head she has a big golden ornament that looks like wings, to the right she has a small golden hat similar to her white hat in her main outfit, Kiara claims that the change in color of her hair is due to her changes in mood. Her dress is of a dark red tone, from the neck to the chest area the dress is made of black transparent fabric decorated with a golden ornament that has the shape of a phoenix flying, the chest of the dress is decorated by a dark purple ribbon and another one is tied around her waist. Kiara use black see throught tights that fade away as they go down, there are two pairs of golden ornaments just above and below her knees. The outfit includes a blue feathers shaped shawl and a golden mask for Kiara to wear, Kiara can still use previous animations such as holding her sword and shield.