On 14 February, Haru released his first mini album "DOLCE" as a physical album.
On 27 March, VΔLZ had a collaboration with Idolmaster SideM. A collaboration program "VΔLZ A LIVE" with DRAMATIC STARS as guests.
On 4 April, Haru released his fifth single "Sainouga Naikara Nanda" (才能が無いから何だ) digitally.
On 5 April, ROF-MAO were invited as guests on "Kimi-goe Radio" (君声ラジオ) NHK-FM.
On 11 April, ROF-MAO launched 2 sets of LINE stickers, Irasutoya collaboration stamps & ROF-MAO Cram School's cool stamps for adults.
On 28 April, Haru's original song "What Colour" (何色) won 1st place in ミューコミVR. He received a trophy.
On 12 May, Haru was invited as a guest on Hoshimachi Suisei's radio "Bui Air! Vtuber Music Radio" (ぶいあーる！VTuberの音楽Radio).
On 5 June, VΔLZ release their 1st mini album "Sanka no Gaku" (三華の樂). & took 2nd place on Billboard Japan Weekly Rank for Most Downloaded Album.
On 24 June, VΔLZ announced a collaboration AR Live with DRAMATIC STARS on 21 July.
On 20 July, ROF-MAO was invited as guests on NHK Venue 101 radio alongside BOYNEXTDOOR & NiziU. They appeared on nationwide TV.
On 24 July, ROF-MAO released their 1st single "DiVE !N".
On 22 July, Haru representing as ROF-MAO was invited as a guest on KBC MUSIC PROGRAM "FUZZ" Radio.
On 31 July, Haru revealed his new outfit with a new hairstyle and a new guitar.
On 6 August, Haru representing as ROF-MAO was invited as a guest on NHK FM Music Radio.
On 23 August, ROF-MAO appeared in the YouTube Music Weekend 8.0 as the headliner on that day.
On 16 August, it was announced that ROF-MAO will featured on the cover of Quick Japan vol. 173 issue which will be released on 9 October.
On 20 August, it's announced that Kaida Haru Nendoroid Figure is available for preorder in GoodSmile. It comes with three different face plates, a smiling face, a smug face & teary face not only that there's his book and guitar. If preordered from their site there's a special round base as a bonus.
On 26 August, Haru created a new Instagram account and posted his first post on it.
On 2 October, ROF-MAO release a new song called "Jonetsuteki Boy" (情熱的ボーイ, Passionate Boy). The song has been selected as the ending theme song for TV Tokyo's "Oha Sta" in October.
On 16 October, VΔLZ release a new single called "Beyond the Frame" during the Sanka no Gaku Sendai GIGs Live.
On 23 October, ROF-MAO appeared as guests in the TV Tokyo's "Oha Sta" TV programme and performed Jonetsuteki Boy live.
On 25 October, Haru released his seventh single "Mizu no Kioku" (水の記憶) digitally alongside a MV.
On 3 November, Haru's original song "Sainouga Naikara Nanda" (才能が無いから何だ) won 1st place with the most viewer votes in the Vtuber Autumn Original Songs Rankings in ミューコミVR. He received a trophy and will be given a title in the Hall of Fame.
On 8 November, it was announced that Haru will be participating in Nijisanji 7th Anniversary LIVE "OVERTURE" Nightime during NijiFes 2025.
On 15 December, Haru revealed his new "Demon Researcher" outfit with a new hairstyle, a human form and demon.
