Agasa takes the Detective Boys to a neighbor named Teruya Kanou who is giving away his belongings before moving to England. While there Kanou's Papillon goes missing when the longcase clock strikes twelve and chimes twelve times.
Genres: Animation , Comedy , Crime , Mystery
Keywords: adventure , age-change , anime , based-on-manga , cop , detective , dramatic , japan , japanese-high-school , mysterious , secret-identity , secret-organization , shounen , suspenseful , watch-series-online , watch-anime-series-online