Demo mode — everything here is made up. Switch person

Sign in

We'll email you a 6-digit code. No password, and no real name needed.

We only use your email to sign you in and to tell you when someone answers.

Try it as someone else

Demo only: sign in as one of these people with one tap. Start as 林晓 to see a letter, then 周可 to pass it on, then 小雪 to answer it.

All test accounts