はくじょう白状hakujou
1.
The act of openly admitting to one’s wrongdoings or secrets, often involving a sense of personal accountability and vulnerability.
2.
A formal document that contains a person's admissions of guilt or wrongdoing, typically used in legal or judicial contexts.
3.
The process of candidly disclosing embarrassing or undesirable personal experiences or failures, especially in a public or social setting.
Example:
彼は過ちをあからさまに白状した。