In a rainy day, a tired "teacher" suddenly appears in an old bookstore. Seeing him looking less energetic than usual, Ui stops him. Hoping to heal him even a little, Ui approaches him. However, he draws closer, as if drawn by her scent... With her heart pounding uncontrollably, Ui says -- "Please... do what you want to do..." The quiet time they spend together, touching each other under the pretext of "repair," turns into something that goes beyond "repair"───