sakamoto kengo, original, bad id, bad pixiv id, 1girl, armpits, bare shoulders, bikini, bikini top only, black hair, black thighhighs, boots, brown gloves, christmas, elbow gloves, female focus, gloves, green eyes, gun, hat, lever action, plaid bikini, plaid clothes, plaid skirt, pleated skirt, reindeer, santa bikini, santa costume, santa hat, short hair, skirt, solo, swimsuit, thighhighs, trophy, trophy head, weapon, zettai ryouiki