Genres: comedy, drama, mystery
Age rating: Older Children (May contain mild bad language, bloodless violence)
Plot Summary: Ayumu Narumi’s older brother Kiyotaka, a renowned detective and piano player, disappears all of sudden. The only clue Narumi has, are the Blade Children. Two years later a row of murders and incidents begin, relating to the Blade Children. Together with school journalist, Hiyono Yuizaki, Narumi tries to figure out their destiny.