Shunichi Dōba

2013

• [ ] Shunichi Doba Suspense Deviation ~First Investigation Division/Keiji Sawamura~ (Original Story) 

2019

• [ ] 未解決の女 警視庁文書捜査官～緋色のシグナル～ (Original Story) 
• [ ] 未解決の女 警視庁文書捜査官～緋色のシグナル～ (Novel) 

2020

• [ ] Last Line Detective Tsuyoshi Iwakura (Original Story) 
• [ ] Last Line Detective Tsuyoshi Iwakura (Novel) 

2023

• [ ] Keishichō tsuiseki sōsa-gakari -kōsaku- (Novel)