ch'en (arknights), hoshiguma (arknights), arknights, commentary request, highres, ..., 2girls, black tank top, black tube top, blue hair, blush, closed mouth, dragon horns, grabbing another's breast, grabbing from behind, green hair, groping, hand under clothes, hand under shirt, hill chuchu, horns, long hair, multiple girls, parted lips, pink eyes, shirt, simple background, single horn, smile, spoken ellipsis, strapless, sweat, tank top, tube top, upper body, white background, yuri