1girl, animal_ears, armpits, bare_arms, bare_legs, bare_shoulders, beach, bikini, black_hair, blue_archive, breasts, day, fox_ears, fox_girl, halo, large_breasts, long_hair, looking_at_viewer, lying, mochi_(jun2743), navel, official_alternate_costume, on_back, outdoors, solo, swimsuit, thigh_strap, wakamo_(blue_archive), wakamo_(swimsuit)_(blue_archive), yellow_eyes