Toko Fukami's family runs a glassware craft studio. Toko and her friends often gather at Cafe Kazemichi, at her friend's house, to relax. During the summer holidays in their final year, a new boy, Kakeru Okikura, joins their high school. He tells Toko that he can hear voices from the future. If she could know what happens in the future, what would she wish for? Toko feels a strange jolting sensation she has never felt before, while noticing an urge she cannot ignore welling up.