Aituber Personas Japan: 195 Synthetic AI VTuber Character Profiles

DataPilot produced 195 synthetic AItuber personas in March 2026 using the SDG-LOOM pipeline. Each record contains a Japanese-language concept design, an implementation system prompt, and a list of streaming themes for virtual character development.

Use Cases

• Fine-tuning LLMs for role-play using the implementation system prompts
• Generating stream topics using the provided theme lists
• Analyzing character consistency between the concept design and system prompts

Strengths

• 195 distinct character profiles
• Includes ready-to-use system prompts for LLMs
• Generated via the specialized SDG-LOOM pipeline

Limitations

• Small sample size of 195 records
• Synthetic data may lack the creative depth of human-authored personas
• Language is limited to Japanese

Provenance

Source

DataPilot

Collection Method

synthetic

Time Range

March 2026

Freshness

Generated March 2026.

Geography

Japan