Episode 4 : The Warrior of Love: Shinano Mask!

Tokiyuki and his companions race across the battlefield, sparing even the slightest moments of rest in order to relay information to their allies. However, when they arrive at the northern front where Mochizuki and Tokoiwa are fighting, what they witness is a fortress engulfed in flames, falliing into ruin… Ayako collapses in grief as she thinks of her father, Shigenobu Mochizuki.