After School (Houkago)
Graduation (Sotsugyou)
Tenshi no Mimi
Classmate (Doukyuusei)
The Home Where I Died (Mukashi Boku ga Shinda Ie)
The Boy Who Controlled the Rainbow (Niji wo Ayatsuru Shounen)
Poisonous Laughs Novel (Dokushou Shousetsu)
The Rule of the Detective (Meitantei no Okite)
Detective Galileo (Tantei Galileo)
Just One More Lie (Uso wo Mou Hitotsu Dake)
Foresight Dream (Yochimu)
One-sided Love (Kataomoi)
Lakeside
Letter (Tegami)
Dark Laughs Novel (Kokushou Shousetsu) (Shueisha Bunko)
The Devotion of Suspect X (Yougisha X no Kenshin)
The Anguish of Galileo (Galileo no Kunou)
Crooked Laughs Novel (Waishou Shousetsu)
Whose Cuckoo Eggs (Kakkou no Tamago wa Dare no Mono)
The Virtual Clown (Kyozou no Doukeshi)
Love Gondola (Koi no Gondola)
Murder on the Cloud (Satsujin Genba wa Kumo no Ue) New Edition
The Murder in Kairotei (Kairoutei Satsujin Jiken) New Edition
The Camphor Keeper (Kusunoki no Bannin)