Hoshikawa Sara

Who is Hoshikawa Sara?

Hoshikawa Sara is a Japanese VTuber and singer affiliated with NIJISANJI. She debuted in October 2019 as part of the Orihimeboshi trio and presents herself as a self‑proclaimed influencer who aims to share her charm and fashion sensibility with a wide audience.

Her character is portrayed as half Japanese and half British, fluent in Japanese, and known for an outgoing, playful personality. Fans call themselves "Hoshikuzu," and her birthday is August 7.

Creator and studio

Sara is part of the NIJISANJI talent group run by Anycolor. Her character design was created by illustrator Komeshiro Kasu (米白粕).

Her channel and activities center on NIJISANJI’s official platforms and major social sites, and she has used both 2D and 3D avatars in her career, with a 3D model unveiled during 2020.

Visual style and aesthetics

Sara’s look features long light blonde hair styled in a side ponytail with pastel accents, a ribbon, and heterochromatic eyes in orange and pink. Her outfits mix playful, idollike fashion with pastel and candy‑colored motifs that emphasize a cute, influencer image.

Her visual identity repeats bright orange and pink accents and includes signature accessories that appear across streams, music videos, and official merchandise.

Content Type & Format

Hoshikawa Sara produces a mix of livestream formats on YouTube and other platforms, including talk streams, music and singing sessions, gaming broadcasts, and special event streams. Her broadcasts often combine live singing with interactive chat and real‑time audience engagement.

Music is a central pillar of Sara's content. She uploads cover songs, participates in original releases, and performs at concerts. Her work ranges from short music videos and recorded covers to full live performances and album releases.

Collaboration and variety streams are frequent: Sara’s content includes joint gaming sessions, duet covers with other VTubers, panel appearances, and livestreamed event coverage. These formats reflect Hoshikawa Sara's personality, balancing playful banter, romance talk, and fashion‑oriented segments across her videos and social posts.

Hoshikawa Sara Collaborations and Campaigns

DEN‑ON‑BU Casting: Bandai Namco Entertainment x Hoshikawa Sara. In 2020 Sara was cast as the character Oga Rukia (大賀ルキア) for Bandai Namco’s music project DEN‑ON‑BU. The role included studio recordings and participation in related music releases and live event appearances.

きみとのShining Days: NIJISANJI x Hoshikawa Sara. Sara released her first solo album in April 2023, a project featuring multiple guest creators. The album rollout was paired with her first solo live concert in June 2023 at KT Zepp Yokohama and related physical and digital releases.

Otakuthon 2023 Appearance: Otakuthon x Hoshikawa Sara. Sara performed and appeared on panels at Otakuthon 2023, representing NIJISANJI on an international convention stage and taking part in concert and talk formats for attendees.

Poppin' Candy☆Fever Cover: Sasaki Saku x Hoshikawa Sara. Sara has released collaborative cover performances with fellow VTubers, including a duet cover of Poppin' Candy☆Fever, presented as a joint music video and streaming collaboration that highlights her singing and idol‑style performance.

Narrative and trivia

Sara’s character lore emphasizes a childhood in Virtual England followed by life in Virtual Japan, which shapes her bilingual presentation and fashion interests. She is often cast in unit activities and music projects within NIJISANJI and is associated with upbeat, idollike performances.