Five guilds, one choice part 2

Here I am, standing in front of the five greatest powers around this city. Looking at them and thinking of whom I should join. One of the contestants is the person that pushed me into killing 100 people in an arena to enter an academy. It gives me the thoughts, was it really his fault or mine for not being able to control myself? That I let myself lose it. Why did I do that? I think becoming an acquaintance with him would show me who really was at fault here. But then again comes the question, what can he teach?