Flash Hiders / フラッシュハイダーズ (PC Engine CD - 1993)
Concept planner, visual designer (Source: in-game credits)
Hyper Securities / はいぱあセキュリティーズ (PC-98 - 1995)
Character design, illustrations (Source: credited in the manual)
Hyper Securities S / はいぱあセキュリティーズS (Saturn - 1997)
Promotional illustration (Source: credited on the ad)
Hyper Securities
Hyper Securities S