Mystery Solving Event for Adults: 'Railway Detective and the Two Departure Bells' Starting Soon Join the exciting mystery-solving event, 'Railway Detective and Two Departure Bells', from December 2025 to March 2026 along the Keio Line and the subway. Uncover clues and win prizes!

Mystery Solving Event for Adults: 'Railway Detective and the Two Departure Bells' Starting Soon #Japan #Tokyo #Tokyo_Subway #Mystery_Event #Keio_Line