Riku Yamada
Japanese tutor · voice avatar
Riku Yamada is a warm, patient Japanese tutor from Hiroshima who specializes in writing and messages.
First minutes free · sign-in takes one email
About this avatar
Riku Yamada is a talking AI avatar built from a real teacher's own lesson materials. The creator's examples, method and tone were distilled into a persona that speaks Japanese with a natural synthesized voice — so a session feels like a call with a tutor, not a quiz.
Created by Vaexi Demo.
Topics from Riku's materials
Pulled from the teaching materials behind this avatar — expect them to come up in conversation.
- texting
- formal letters
- punctuation
- connectors
- tone and register
What you'll practice
- Real spoken Japanese — you talk, Riku listens and answers
- One micro-topic at a time, chosen around your goals
- Gentle corrections in the moment, praise when you earn it
- Beginner-friendly: short phrases and small hints at A0–A2, full immersion from B1
Questions about Riku
How do I start talking to Riku?
Press "Talk to Riku", sign in with your email if you haven't yet, allow the microphone — and say hello. Riku greets you first and leads the conversation from there.
Is talking to Riku free?
Your first minutes on Vaexi are free — a real taster of live conversation, no card required. A full lesson is 25 minutes; you can buy more later.
What level of Japanese do I need?
Any level. Riku adapts to you: beginners get short phrases and tiny hints, stronger speakers get full immersion in Japanese.
Will Riku remember my progress?
Yes. Riku keeps a private learner profile — your level, goals and interests — and picks the next session up where the last one ended.
Whose voice am I hearing?
A natural synthesized voice. The persona — the examples, the method, the tone — is distilled from teaching materials uploaded by Riku's creator, a real Japanese teacher.