Totonou Kunou is a college student who has a complex about his natural perm, has no friends or a girlfriend, and simply loves curry. He is someone who always questions about what is taken for granted in society and tries to think things through thoroughly. He has a vast amount of knowledge and develops his own theories based on his unique values. As a young guy, he has lived his life being called “annoying and troublesome” because he can't help talking no matter what is happening around him. One day, he is accused of a murder he isn’t aware of. As he is interrogated by the detectives, he realizes that there are hidden clues behind the case and the problems that the detectives are facing. Then, without any desire to “solve the case,” he just talks about whatever comes to mind at his own pace, and before you know it, he has unraveled not only the mystery of the case, but also people's hearts…