1-I found myself there.

 He received a heavy blow to the back of the head.
I'm losing consciousness.

'...t! Hey! Are you alive? Pat!
Who the hell's Pat? I'm... I'm Pat. But? What? My name's Jin, right? What? What? Do you remember Jin, or Pat?
You're Pat now? What about Jin? A dream? No, no, no. There's no such thing as a long life dream, right? A past life? No, no, no, that's impossible. But the back of my head hurts anyway. This guy's been screaming at me.
Well, he's a fellow recruit... He's a fellow recruit.

'Yeah, I'm alive, Wayne.
'Then pick up your sword and help me!
'You're not very good with people.
'You'll die if you don't.'
'Yes, indeed!

 With that, I pick up my sword, look around, and run toward the fat, boar-faced monster running toward my allies.

'Leave me to die! You orc!
He slams his cheap two-handed sword into the back of the boar's head with all his might.
 The back of the Orc's head cracks open, blood and brains splattering.
This is the front line of the battlefield.