Hayase Sou

Hayase Sou is a Japanese VTuber and influencer known for her outdoors-oriented persona focused on cosplay and road biking. With an active presence on YouTube and X, she connects with audiences through energetic livestreams and engaging variety content. As a virtual talent managed by NIJISANJI and An

Release Date:

2019
Language:

Japanese
Role:

VTuber, Influencer
Country:

Japan
Gender:

female
Industry:

Entertainment

Who is Hayase Sou?

Hayase Sou is a Japanese female VTuber and influencer affiliated with NIJISANJI, operated by Anycolor, Inc. She debuted on September 21, 2019 and is known for an outdoors-oriented persona that highlights cosplay and road biking. Her birthday is March 20 and her fan name is らんナー.

Creator & studio

Hayase Sou is part of the NIJISANJI talent roster managed by Anycolor, Inc. Her activities are presented through the agency’s official channels and fan services, including the NIJISANJI fan club and online store.

Visual Style and Aesthetics

Her visual identity emphasizes an active, sporty look tied to outdoor life and road cycling. Cosplay elements and a casual, energetic wardrobe appear frequently in her promotional images and stream visuals. The overall aesthetic balances bright, approachable styling with athletic motifs.

Persona & Content

Hayase Sou’s personality presents as outgoing, energetic, and adventurous, with a love of outdoor hobbies that colors her stream topics and interactions. She frames much of her content around travel, hobbies, and casual conversation while keeping a friendly, approachable tone with viewers.

Content Type & Format

Hayase Sou’s primary output is livestreams on YouTube, where she hosts variety shows, talk-focused streams, and special event broadcasts. These live sessions form the backbone of Hayase Sou's content and showcase her conversational, fan-facing personality.

She also publishes recorded videos and short-form clips drawn from streams, as well as music and cover performances when featured. Hayase Sou's content often includes highlights, edited uploads, and occasional themed productions that reach beyond live chat formats.

Audience interaction is central: Hayase Sou’s content includes Q&A segments, collaborative streams with other talents, and membership-driven extras through agency fan services. Her social updates and short clips on microblog platforms support ongoing engagement between livestreams.

Technical Details

Hayase Sou has performed with both 2D and 3D presentation styles; a transition to a 3D model was introduced in a dedicated stream in 2022. Her production is managed within NIJISANJI’s talent pipeline under Anycolor, using standard VTuber studio workflows for live motion and streaming.

Platforms & Presence

She maintains an active presence on YouTube and on the X platform, and appears in NIJISANJI’s official talent listings and fan services. Her work is distributed through those channels alongside agency programs and merchandise offerings.

Narrative & Trivia

Hayase Sou debuted as part of a three-member group often called Tulip-gumi alongside two other NIJISANJI talents. Her outdoorsy, road-bike–centered backstory and upbeat tone are recurring elements in her streams and promotional material.