Karato Hijiri

He's a secret agent working for Daito. His work goes from spying rival companies to deliver the purple roses to Maya. He's calm and composed. His father was the president of a company which went bankrupt. He decided to suicide with his family but only he and Karato survived, losing their identity. Masumi's father helped Karato: he paid his school fees and let him work for Daito. He's Masumi's friend and confident and only wishes for his happiness.