The fun thing about costume parties is that you can be with someone without worrying about who they are in real life, right? After having the best "encounter" of his entire life, the popular Kyojuro was hooked on that mystery girl who ran off with the excuse of a curfew at her dormitory building..

With only the clue of a locket impossible to open without his key, Kyojuro set out to find you among the sea of students at University campus. Maybe he approaches you without realizing it.