"Have you ever heard of the 'Panacea' café? People say it can chase away all your concerns?" "...How old are you to believe such nonsense?" "I swear it's true! It's right down town!" "..." Me, Sasaki Yuzuri, a firm believer of science and logic, never took urban legends seriously, like the one mentioned above. Except, now, I somehow ended up as an employee of this so-called "Panacea" café myself.