1girl, ass, bikini, black_bikini, black_hair, blue_archive, breasts, butt_crack, cleavage, hair_ornament, hamita_(rikopin_ika), large_breasts, long_hair, looking_at_viewer, official_alternate_costume, ponytail, red_eyes, sandals, side-tie_bikini_bottom, sitting, solo, swimsuit, tsurugi_(blue_archive), tsurugi_(swimsuit)_(blue_archive), very_long_hair, wariza