For problems with the game itself, the fastest route is the publisher support route named in the game and store description, where the team behind Bleach Mirrors High can see game accounts and service status. Game bugs, service faults, and purchase questions belong there.
For corrections to this guide site, such as a step that no longer matches the game, a broken link, or a guide that needs updating, use the contact route on this site and describe the page and the step that is wrong. Clear reports get fixed first, because a guide that drifts from the game helps nobody.
This site does not provide phone support and does not ask readers to send personal details, account passwords, or payment details. If a message asks for those details, it did not come from this site.