While humming the song "Nazo", Ayumi jogs toward school, but as she passes by the Makabe residence, she sees a man carrying a woman. Both people look injured, and Ayumi, peeking through the bushes, believes the man killed the woman.
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