Rikiga

One of the residents of West Block. An ex-journalist, he now runs a porn magazine. Behind closed doors, he also runs a prostitution service, pimping out girls for the official's of No.6. It is a lucrative business that allows him a life of luxury. He is a fan of Eve, Nezumi's stage persona, yet is less charitable towards Nezumi himself, who treats him with open disdain. In the past he was in love with Karan, and has a soft spot for her son Shion.

(Source: Wikipedia)