Mayuko Nise

Mayuko Nise (二瀬 真由子, Nise Mayuko) is the deuteragonist of High-Rise Invasion. She 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.