Naoko Izutsu (井筒尚子, Izutsu Naoko) is a female manga artist known by her pen name Kotori Misono (美園ことり, Misono Kotori) and best known by her detective roman series JC - Lovely Mystery which turns out to be Chiba's favorite manga series. Currently she is known as one of the three suspect in the murder case of Fūra.
She shows a calm personality and evenly has a great knowledge in the detective area which she writes it in her famed detective manga series. She also smokes, probably a habitat for various manga artist.
She has short hair and wears black glasses. Currently she wears a black shirt and probably blue jeans.