1girl, animal_ears, arm_behind_head, armpits, blue_archive, blush, breasts, brown_background, competition_swimsuit, cross_hair_ornament, extra_ears, gradient_background, grey_hair, hair_ornament, looking_at_viewer, marisasu_(marisa0904), official_alternate_costume, one-piece_swimsuit, shiroko_(blue_archive), shiroko_(swimsuit)_(blue_archive), solo, standing, swimsuit, thigh_gap, thighs, wolf_ears