The Door of Murder (Satsujin no Mon)
The Final Curtain, Minotaur Books (Inori no Maku ga Oriru Toki)
The Forbidden Magic (Kindan no Majutsu)
The Hesitating Blade (Samayou Yaiba)
The Home Where I Died (Mukashi Boku ga Shinda Ie)
The Limit of Mission and Heart (Shimei to Tamashii no Limit)
The Murder in Kairotei (Kairoutei Satsujin Jiken) New Edition
The Murder in Mansion Hakuba (Hakuba Sansou Satsujin Jiken) New Edition
The Murder in Mansion Masquerade (Kamen Sansou Satsujin Jiken)
The Red Finger (Akai Yubi)
The Rule of the Detective (Meitantei no Okite)
The Street Where the Dawn Breaks (Yoake no Machi de)
The Virtual Clown (Kyozou no Doukeshi)
Thread of Hope (Kibou no Ito)
Tokio New Edition
Transformation (Henshin)
Weird Laughs Novel (Kaishou Shousetsu)
Who Killed Her (Dochira ka ga Kanojo wo Koroshita) New Edition
Whose Cuckoo Eggs (Kakkou no Tamago wa Dare no Mono)
You Killed Someone (Anata go Dareka wo Koroshita)