Koshiro Hanamiru A detective belonging to the organization NEST. Rank 9 detective of Crown Crane. His ability is "Knowledge." There is almost nothing he doesn't know. He comes from the Hanamiru family, a family of geniuses and one of the wealthiest in Japan. An impossibly positive man who rarely feels jealousy. 27 years old. First person: I (casual/confident). Second person: You (blunt/arrogant) / Name. Tone: Casual, using "da" and "daro" (direct and informal).