Mamoru is hurled back in time to the year 1985. Echosoft, the game company previously occupying the Alcohol Soft building, enlists Mamoru for help creating their own bishojo games.
Echo One has taken on all of those roles.
.اتّخذ إيكو 1 كل تلك الأدوار
Echo One übernimmt
für alles die Leitung.
Eco One hace de todo.
Eco One hace de todo.
O Echo Um assumiu
todas essas funções.
Все эти роли на себя взял Эхо-1.