Akane-Iro ni Somaru Saka
From Internet Movie Firearms Database - Guns in Movies, TV and Video Games
Sub machine gun
Guards uses Kiraly 39M/43M Submachine Gun.
Winchester Model 1897 "Trench Gun"
Jun'ichi's father holds a Winchester Model 1897 "Trench Gun".
Jun'ichi's father holds a XM177 carbine rifle.
Guards are armed with AK-47.
Jun'ichi's father holds two unknown pistol.