Yuno Kawakami is a second-year student at the same high school as the main characters. She dedicates herself entirely to acting as the devoted protector and constant companion of the beautiful senior, Wakana Shimazu. Yuno accompanies Wakana during school activities, providing practical assistance like buying meal tickets. She carries a wooden sword, using it to physically deter pushy male students who approach Wakana inappropriately. This protective behavior reflects her forceful personality, characterized by direct action and unwavering loyalty. Yuno consistently addresses Wakana using the Japanese honorific "-sama," signaling deep respect and a self-assigned position of subservience. Her presence focuses solely on safeguarding Wakana's well-being within the school. Her character exhibits no narrative development or changes in dynamics across the original visual novel, its console adaptations, or the OVA episodes. Her interactions center exclusively on intervening against unwanted advances towards Wakana. Yuno functions strictly in a supporting narrative role. She maintains minimal relationships beyond Wakana, lacking documented friendships, rivalries, or significant interactions with other main characters outside group settings.