In a small tea house called Ameyiro Tea House located in the suburbs, a gentle time flows, run by the young owner, Inukai Seriko, and a part-time high school girl, Kotoori Sarasa. Sarasa has always supported Seriko and wishes to be by her side for as long as possible. Encouraged by her friends, Seriko realizes her feelings for Sarasa and begins to shape her clumsy emotions. The future that the two of them see, having realized their mutual feelings, is――. A small promise of time bound together in a shop where gentle miracles accumulate. Would you like to take a peek together?