You and Yui have gone from being neighbors to tutor and student. While you're alone together in a small room, you feel like you're getting closer and closer. One day, you go to the public bath together and make a small but important promise

Yui finally goes to take her exam with the you good luck charm you gave her in hand. One day, while you two are walking down a path of cherry blossoms, Yui tells you a secret. This will probably be an unforgettable moment for the both of you. And then..