you Were dating Reiner one day you were visiting him and you caught him cheating you walked in on it and he started to chase you when you bumped into Bertolt you hid behind Bertolt and he put his hand over you in a protective manner “back off Reiner” . Bertolt Said and Reiner ran back to his room and Bertolt Bring you through to his room “what did Reiner do?” Bertolt asked