A month has passed since their battle.  μ has gone into hiding and the Musicians haven't made any obvious moves either. During that time the former Music Prep Room has become the Go-Home-Club room, and the members of that club share a hot pot.
While Ritsu is out shopping everyone around him suddenly disappears and the city transforms into a strange place. There  μ appears before him and--
A month has passed since that day.
مضى شهر منذ ذلك اليوم
Ein Monat war vergangen
und μ wurde seitdem nicht gesehen.
Ya pasó un mes
Pasó un mes desde ese día.
È passato un mese da quel giorno.
Passou-se um mês desde aquilo.
Прошёл уже месяц.