On a seemingly ordinary day at high school, tragedy strikes as the entire student body perishes in a calamity. Through a twist of fate, a select few students find themselves reborn in a new world as nobles and royalty, except for one girl who is reincarnated as a lowly spider. Facing the harsh reality of her predicament, she must navigate the challenges of her diminutive form to survive the perils surrounding her. In a world resembling a RPG game system, she embarks on a journey to level up and evolve by hunting and battling monsters. With each victory, she inches closer to a brighter future, fueled by the hope that her perseverance will ultimately lead to a more fulfilling life.