User blog comment:TrueHeavenlyDragonGod/What would you do in place of Issei?/@comment-24468758-20140128171519/@comment-1359322-20140129012441

So, being in a position where you need to be careful of when you're going to get attack isn't an action of a S.>_>

Plus imagine if the enemy realized that you faced this problem everyday, they might sneak in as student to attack and you thinking that they are student might get seriously injured or killed.