Contact & support
We read every message. Whether you spotted a wrong answer, have a translation fix, or just have a question, here's how to reach us.
Email us
Our support inbox is monitored. We aim to reply within a few business days.
support@goukakudrive.jpFound a mistake in a question?
The fastest fix is the in-app report button on any question — it routes straight to our editorial review. You can also email us with the mock name and question number.
Goukaku Drive is run by a small team. Thanks for your patience — and for helping make the question bank better.