Hakui Koyore

Who is Hakui Koyori?

Hakui Koyori is a Japanese VTuber and singer affiliated with Hololive Production as a member of the sixth generation unit holoX. She debuted on November 28, 2021 and presents herself as the R&D researcher of holoX, driven by an appetite for studying human behavior and helping others while sometimes poking at situations to learn how people react.

Her official persona is upbeat and playful; she greets viewers with the signature line Konkoyo and addresses her community as Koyori’s Assistants, using the test-tube emoji as a fan mark.

Visual style and aesthetics

Koyori’s visual design emphasizes pastel and pink tones with long pink hair, kemomimi ears, and a lab-themed wardrobe that ties to her researcher concept. Her imagery often includes scientific motifs such as flasks and small robot companion motifs that appear in promotional art and stage visuals.

Her look blends cute idol elements with a lighthearted science motif: playful expressions, a visible fang in smiles, and accessories that reinforce the R&D/experiment theme while keeping a soft, idol-friendly color palette.

Content Type & Format

Hakui Koyori produces long-form livestreams and short-form clips across platforms, with YouTube as her primary stage and additional presence on TikTok and X. Her streams commonly include gaming playthroughs, karaoke and music performances, ASMR sessions, and casual chat segments.

A recurring element of Hakui Koyori's content is a Hololive news and update show she hosts regularly, which combines information, commentary, and audience interaction. Music is another core pillar: she releases original singles, performs at 3D lives, and often features singing segments during streams and special events.

Her social tone is energetic, mischievous, and affectionate; Hakui Koyori's videos encourage viewer participation through Q&A, live chat interaction, game challenges, and themed livestream events. She also stages staged concerts and 3D live performances that blend live vocal moments with animated model visuals.

Hakui Koyori Collaborations and Campaigns

WAO!! Release: DECO27 x Hakui Koyori: Released as Koyori’s first original single in 2022, this collaboration with songwriter-producer DECO27 showcased her singing identity and was distributed as a digital single and music video, often promoted on her YouTube channel and music platforms. Egoistic Seesaw Release: Hololive Music x Hakui Koyori: Issued as an original single in 2023, the track was promoted with a full MV and streaming distribution, forming part of Hololive’s music slate and Koyori’s catalog of original songs. Hakui Koyori生誕LIVE Memories: Hololive x Hakui Koyori: Staged as a birthday 3D live event, this concert-format show featured live performances of her original songs and themed set pieces, presented via YouTube as a large-scale livestream concert.

Technical and creative credits

Hakui Koyori’s official profile credits illustrator Momoco for her character design. She appears in both Live2D and 3D formats, using 2D model streams and staged 3D live performances for concerts and special events.

Narrative and persona details

Koyori is characterized in-universe as a coyote researcher who left the savannah to study humans; her lore leans into curiosity, experimentation, and an affectionate, slightly mischievous streak. Recurring motifs in her streams include a love of games, puzzles, mahjong, singing, and a playful fondness for mayonnaise and Japanese sake.