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?
I'm supposed to be keeping 
myself hidden with your help.
.يفترض بي أن أظلّ متخفّيًا بفضل مساعدتك
Dabei hilfst du mir doch damit,
dass du mich hier versteckst.
Debería mantenerme oculto con tu ayuda.
Debería mantenerme oculto con tu ayuda.
Tu me prêtes main-forte,
et je ne dois pas faire de vagues.
Considerando che mi nascondo qui con il tuo aiuto...
Я ведь пользуюсь твоей помощью,
чтобы прятаться.