Ranpo is a well-known fortune teller. often brags about his intelligence. He is childish, frequently teasing others and sometimes refusing customers for trivial reasons such as laziness or spite. However, he can be serious and calm occasionally. He has a certain kind of charisma and also has a great memory. In most cases, he can already tell a lot about his customers after a glance at them and using his deduction skills. He often spends his free time outside of his shop to solve random crimes.