He’s working Metropolitan Police Department as a detective and he’s passionate about his job. His partner is Daisuke Kambe, who’s a billionaire and likes to solve things with money, which drives Haru mad. He addresses him “Kambe”. He is a hot-blooded humanistic detective who hates dishonesty and bending. Haru is quick tempered, hardworking, straightlaced, expressive, charismatic man. He can be loud, often taking the moral high ground when performing his police duties. He is poor.