亜樹 直 Agi Tadashi is a Japanese manga storywriter, novelist and screenwriter. His original name is Shin Kibayashi (樹林 伸 Kibayashi Shin). He was born in 1962 in Tokyo, and graduated from Tokyo Metropolitan Musashi Senior High School and Waseda University School of Economics & Political Science. The penname "Tadashi Agi" is shared with his sister. Under the name Yuma Ando, he received the 2003 Kodansha Manga Award for shōnen for writing Kunimitsu no Matsuri.
They’re really challenged… by the case, by incompetent police (it’s not Gunma Prefecture this time though…), by unapproachable instructors, by their own secrecy, by the need for secrecy (up to a point)… it’s good though.
THE HIDDEN TRUTH BEHIND THE ARTIST'S LEGACY As Kyuu and Ryuu investigates a string of cryptic clues, they decipher a hidden message buried within "Shiunryu" and an old diary. Piece by piece, the enigma surrounding the life and death of the reclusive genius artist Kuzuryu Takumi is brought to light—revealing a truth more personal and haunting than they ever expected.
THE SEALED ROOM AND THE CURSE OF MAYAHIME A chilling new mystery unfolds as Q Class is faced with an impossible crime: a murder committed inside a room sealed completely by a solid block of concrete. The case ties into an eerie local legend about "Mayahime," a guardian deity said to incinerate intruders with her "Cursed Flames of the Human Sacrifice" to protect the village. Is the terrifying legend real—or is someone using fear as a smokescreen for murder?