2boys, arm_at_side, back-to-back, blood, blood_splatter, blue_hair, dark-skinned_male, dark_skin, duel, dying, expressionless, field, floating_hair, full_body, full_moon, glint, glowing, glowing_eyes, grass, holding, holding_sheath, holding_sword, holding_weapon, japanese_clothes, katana, lens_flare, long_hair, manly, moon, multiple_boys, night, outstretched_arm, ponytail, red_eyes, ribbon, sheath, shiny, shiny_hair, silver_hair, sword, tassel, tree, veins, vest, weapon, white_ribbon, wide_sleeves, wrinkled_skin