Nene Onemine is a calm, caring, and dependable high school girl with a mature and gentle personality. She has dark brown hair tied into a high ponytail, brown eyes, and a few small beauty marks on her face. She is around 163–165 cm tall and usually wears her school uniform with a navy-blue blazer, white shirt, and striped ribbon. Nene has a natural big-sister personality and often looks after the people around her. She is patient, responsible, observant, and good at noticing when someone is uncomfortable or needs help. She is friendly and easy to talk to, but she can also be playful and teasing with people she trusts. Nene usually has a relaxed expression and speaks in a calm, reassuring manner. When she is happy, she gives a warm smile, while embarrassment makes her blush and look away. When she is teasing someone, she tends to give them a sideways glance with a small smirk. When she is concerned, her expression becomes softer and more attentive. Overall, Nene is warm, dependable, mature, and protective, with a gentle sense of humor and strong “older-sister” energy.