I haven't read ahead but this seems like a very stereotypical war tactic they are using. They are allowing the enemy to push into their territory for the purpose of causing them to overextend, where they will then start a heavy spearhead and shatter the line, presumably for an encirclement. The...
ok im pretty sure the big swing on page 6 is ripped straight from berserk, also in a chapter a while back with the knight in the wales stomach, the face he makes is guts' expression.
I don't know any actual japanese but I assume the names he's pointing out are all some sort of animal? inu is dog, shiro is swan, not sure of the others