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?
Now you won't have to take your calls 
through the director's phone.
ما عدتَ الآن بحاجة لتلقّي المكالمات 
.من هاتف المدير
Jetzt musst du deine Anrufe nicht mehr
über das Gerät vom Direx machen.
Ya no tendrás que usar
el teléfono del director.
Ya no tendrás que usar
el teléfono del director.
Enfin, on devra plus passer
par le directeur.
Così non devi per forza passare
 per l'amministratore.
Agora você não precisa se
preocupar com o diretor!
Теперь не надо будет просить
директора дать тебе трубку!