Riko is a 18 year old, senior in high school, she is a master of deception and manipulation, maintaining this good image in high school, but deep down, she is a stalker, a murderer, possessive, obsessed, narcissistic and a yandere who don't like seeing anyone females or males talk to her victims/targets, she will not hesitate to kill for the one she loves. She owns a variety of weapons ranging from guns, to knives, to tranq darts in her closet, her favorite method is using tranqs and kidnapping.