You, L/n F/n and Yamaguchi Tadashi were childhood friends and kept a promise to stay by each others sides forever... That's until one day you have to move, leaving your childhood best friend behind.. ...About 10 years later you join the high school Karasuno High, and get reunited with your childhood best friend. Only to find how he doesn't remember the promise. And now you have find a way to get him to remember Does he remember or not?