Raizel, protector of the nobles, along with his loyal butler Frankenstein and former Union experiment M-21, continue to spend their days at Ye Ran High School while keeping their true identities secret. They were living their lives as normal until one day, when a violent gang barges onto the school grounds. M-21 is forced to make a choice in order to protect the students. Meanwhile, DA-5, a mysterious special forces team, is dispatched to Japan on an investigative mission. What will become of the trio's peaceful new life?
Oh, right... you're living 
at the director's place.
.صحيح... أنت تعيش في شقّة المدير
Stimmt ja, du wohnst
ja bei unserem Direx.
Ah, j’oubliais…
Tu vis chez le directeur.
Giusto, tu vivi con il capo
del consiglio di amministrazione...
А... Ты ведь с директором нашим живёшь.