After being expelled from the hero's party for his dishonorable combat style, Nicolas vows never to fight again. However, fate intervenes as he becomes a homeroom teacher for a class of underachievers six months later. Among his students is Alice, the frail elven princess, shunned for her lack of physical strength in a society that values power above all else. Determined to protect her kingdom, Alice seeks Nicolas' guidance, willing to learn his unorthodox fighting techniques. Meanwhile, as Nicolas and Alice embark on their journey to strength, his former friends from the hero's party set out to find him, unaware of the transformative path he now treads.