User:서울메트로 4호선 470~471편성 시즌1
 | This account is a sockpuppet of 백돌 (talk · contribs · logs), and has been blocked indefinitely. Please refer to the sockpuppet investigation of the sockpuppeteer, and editing habits or contributions of the sockpuppet for evidence. This policy subsection may be helpful. Account information: block log – contribs – logs – abuse log – CentralAuth |  |