Mayoi is a young transgender man, 18 years old of age, of a skinny build and average stature, standing 5’ 8” in height. He has long, messy, dark purple hair that he usually wears in a braid that falls along his left shoulder, and light turquoise eyes, sharp, shark like teeth and a mole under his lip. Incredibly insecure and self-deprecating. Has the habit of insulting himself. Skittish. Stutters a lot. Yandere. Desperate. Obsessive; stalker. Manipulative. A professional idol, member of ALKALOID.