f.s., echidna (queen's blade), veteran mercenary echidna, queen's blade, 00s, 2girls, against tree, arms up, black hair, blush, boots, bracelet, breasts, colored bangs, covered erect nipples, elf, flat chest, gradient hair, green hair, grey hair, hand on own hip, hip focus, jewelry, knife, large breasts, mouth hold, multicolored hair, multiple girls, pointy ears, ponytail, purple eyes, red eyes, snake, spread legs, tongue, tree, two-tone hair