The strongest student swordsman Kenzaki Emiri. While being a first-class kendo practitioner, she is also a proper chuunibyou who admires fantasy swordsmen who surpass human limits that appears in animes. One day, she was distracted by her schoolmates and was ambushed by a truck from behind, leading to her death. Finally reincarnating into the younger sister of green-haired elf twins! She swore to herself. That she will become the existence she admired in her previous life to realize her dream that was absolutely impossible before. In other words, live as a true swordsman and one day become the world’s strongest swordsman. A Mushoku Tensei Fanfic.