Email registration and login

What this guide covers

How to register and sign in with email, and how that differs from LINE / Google login.

← Registration and login overview · Prefer not to use email? → LINE registration and login

Entry points

1. Email sign-up

1. Open the Register page (or tap Create account on the login page).
2. Scroll to Or register with email.
3. Enter your email (required) and invite code (optional).
4. Accept the Terms of Service and Privacy Policy.
5. Submit, then open the secure link in the email to finish registration.

• The register page does not require setting a password on the spot.
• If the email is already registered, the same link can be used to sign in.

2. Email and password login

For accounts that already have a login password.

1. Open the Login page.
2. Choose the Email and password tab.
3. Enter email and password; optionally check Remember me.
4. Tap Sign in.

If you never set a password (e.g. you only used an email link before), use Email sign-in link below, or set a password in the App when prompted.

3. Email sign-in link (passwordless)

1. On the login page, switch to the Email sign-in link tab.
2. Enter your email and tap Send sign-in link.
3. Open the link in the email to sign in (avoid resending too often; there is a security cooldown).

This uses the same secure link mechanism as registration—no password to remember.

Compare the three email options

FAQ

Not receiving emails?
Check spam; confirm the address; try again later. Still stuck? Contact support.

Can I use LINE?
Yes—and no email required → LINE registration and login.

Related links

• Registration and login overview
• Sign-in channels
• Profile