I remember putting that novel aside to read later but I unfortunately lost it, so the synopsis was that the young genius soldier (?) was forcefully sent to school with the excuse of protecting a girl there, Mc seems to be devoid of common sense, his head only filled with the mission. After realizing he is not in the same class with his target he request permission to use violent means to force the principal to change his class. Pls help
I would still prefer to recomend Full Metal Panic!, as is one of my favorite stories and it has a good ending.