[...Ah. That explains a lot. Sousei crosses his arms behind his back idly as they walk. It's a little lacking in authority without his uniform, but at the same time...well, he sure does carry that Buzzkill Authority Figure aura like a cloak.]

I see. That was some time ago, in my memory. [You're behind, my friend.

where to even start....]

We've found the Orochi. Our current task is to separate it from its host, and defeat the Orochi.

[There's an awful lot of information implied in those two sentences, sorry, Ashiya.]