Miki Takekasa is an introverted high schooler who does not socialize with her classmates. However, she wants to know what "fun" really is, waiting for someone who could help her understand its true meaning. One day after school, she crosses paths with her classmate Aya Takayashiki, who takes her on a little adventure. Miki discovers wonders she had never seen before, opening a way to change her withdrawn life. On the...