Private inquiries in Japan
Ask a question in your language.
Use this form for a non-urgent question about a possible investigation in Japan. You can write in any language. We will review whether your request is within our scope before discussing details, terms, or a possible engagement.
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Only the fields marked required are needed. Do not include another person's name, address, identity document, passwords, or private images in your first message. Attachments are not accepted.
Privacy notice for this form
Operator: DETEcle Co., Ltd. We collect your email address, preferred reply language, and message to assess and respond to your inquiry, and to keep necessary records. The message may be machine-translated into Japanese and delivered to the operator through email and LINE services. A human must review any translated reply before it is sent to you. Please do not send sensitive case evidence or details about third parties through this initial form.
For the operator's broader privacy and legal information, see the Japanese legal information page. Details about service providers, retention, and data-subject requests should be confirmed with the operator before sharing more information. Do not submit the form if you do not accept this handling.