Mistaken for the sinister Sadako Yamamura due to her eerie likeness, 15-year-old Sawako Kuronuma faces isolation and fear from her classmates. Despite this, Sawako, with a pure heart and a longing for friendship, admires the charismatic Shouta Kazehaya, the school's beloved figure. Drawn to his affable nature, Sawako seeks to emulate Kazehaya, leading her to step out of her comfort zone and discover a new world of possibilities with him by her side.