1boy, 1girl, a_tea, ahoge, arknights, arms_behind_back, bikini, bound, bound_arms, chinese_text, doctor_(arknights), food, goggles, goggles_around_neck, greyscale, hammock, helmet, hood, hoodie, ice_cream, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), monochrome, navel, official_alternate_costume, rope, sandals, shibari, short_hair, shorts, squatting, standing, swimsuit, thigh_strap