Inversion
To win the battle, Kou needs a king’s power to back his. There’s really only one king available… Picks up post-35.
Kou hauled himself up from the bed, wincing a little. "You’re a real bastard, you know that?"
"A fine way to talk to someone who just finished healing the wounds your own idiocy bought you," Shirogane observed, pulling his gloves back on.