简介：
Anoiseiscomingfromthefloorupstairs.Eunsu,hearsthisforoveramonthwhichcausesuncontrollableangertoriseup.Shegetseliminatedagainfromacompetitionshehadpreparedforalongtime.Eunsudecidestowriteherlastpiecewiththethemeofthenoisebetweenthefloorsandpersuadesherfriendtohelpherfollowandtrackthesecret.
