Mayuko Nise (二瀬 真由子, Nise Mayuko) is one of the people transported to the mysterious skyscraper world. Bullied and neglected by everyone, including her parents, Mayuko behaved like a merciless killer in this new world, unwilling to trust anyone. However, after being saved by Yuri Honjo, Mayuko devotes herself to helping Yuri. Age: 16 Gender: Female Birthday: June 19th Haircolor: blonde Eyecolor: green in the anime, brown in the manga (Source: Wiki)