Simple 1500 Series Vol. 59: The Suiri ~IT Tantei: 18 no Jikenbo~ is an adventure game developed by Tomcat System and released on PlayStation. Continue Reading → Jump to a section: Home Releases Credits Overview Walkthrough Achievements Cheats Simple 1500 Series Vol. 59: The Suiri ~IT Tantei: 18 no Jikenbo~ Brainwaves View all → Discussion Article Thought Review 100 Share Simple 1500 Series Vol. 59: The Suiri ~IT Tantei: 18 no Jikenbo~ with others Simple 1500 Series Vol. 59: The Suiri ~IT Tantei: 18 no Jikenbo~ Releases Credits Characters List Overview Walkthrough Achievements Cheats Updates