Kakeru Sorano, a 20-year-old university student living in the dorms, encounters Koharu Fuyutsuki, also 20, a beautiful blind girl, during class. Though unable to see, Koharu radiates warmth with her constant smile and optimistic spirit. Kakeru, however, dislikes confrontation and struggles to approach her, choosing instead to keep his distance. Their paths cross again when Koharu’s friend formally introduces them, giving Kakeru the chance to connect. Gradually, he grows more at ease and begins to open up in conversation with her.