2girls 4koma >_< bulge_tsuki chef_hat chimney closed_eyes comic food greyscale hair_bun hat honest_axe knife mamiya_(food_supply_ship) mecha_musume military monochrome multiple_girls musical_note original parody ship single_hair_bun submarine torpedo translated uss_sealion_(ss-315) wagashi watercraft weapon world_war_ii youkan_(food)