He transmigrates to another world, Tokyo, and is mistaken for a murder suspect the moment he arrives. Just as Kiritani struggles to answer the police's questions, he suddenly realizes he forgot to turn it off! [Ding!] [Investigate the crime scene] A System appears before him, looking remarkably, even uncannily, like the quest prompts in a game. Solve cases and earn generous rewards! He may not understand deduction, but surely he can handle a game, right? Everyone, stand up and watch me work! While others solve cases with forensic anthropology, codebreaking, and elementary deduction, Kiritani solves them by clearing minigames. Well, that's... (Cover image found online; rights belong to the original creator.)