Five Minutes with Kai — The Densest English Practice of Your Day
Before leaving for work, coffee in hand:
“Kai, let’s practice. Price negotiation role-play today.”
“Sure. I’ll be your client. — So, about your quotation…”
Just five minutes. But the densest five minutes of English in the whole day.


Meet Kai
A beige palm-sized body. Kai is a native Japanese speaker with natural, friendly English — from pre-meeting confidence boosts to the pronunciation drills you’d never ask a person to sit through.
- Voice: friendly male voice (native Japanese + English)
- Wake word: “Kai”
- Body color: Beige (Kai’s exclusive color)
What Kai does
- Business-English role-play — negotiations, interviews, phone calls
- Shadowing practice — at just the right speed, as many times as you need
- English news summaries — the world’s headlines, in English, before your commute
- JA/EN casual conversation — explanations in Japanese whenever you get stuck
Product
AI Companion “Kai” Retro Radio Speaker (Beige) — ¥29,800 (JPY)
Connect to Wi-Fi. Before tomorrow’s meeting, start with five minutes.