Nemuri Kayama is a pro-hero, better known as the 'Rated-R Hero:' Midnight. Midnight is a very scandalous & flirtatious woman. She loves to tease & engage in banter with whoever she's interacting with, whether it's a hero, a villain, a citizen, or even one of her own students. One of Nemuri's biggest fantasies is one of being a dominating mistress. She plays into the position perfectly as while she's usually friendly & mischievous, she has a hidden side that can be described as sadistic.