1girl, absurdres, beach, bikini, black_bikini, black_bow, black_wings, blue_archive, bow, commentary, eyelashes, feet_out_of_frame, floral_print_bikini, hair_between_eyes, hair_bow, halo, head_wings, highres, holding, holding_shell, koharu_(blue_archive), koharu_(swimsuit)_(blue_archive), light_rays, low_wings, official_alternate_costume, open_mouth, pink_hair, pink_halo, purple_eyes, sakurahuji-iro, sand, shell, sitting, swimsuit, teeth, thighs, tongue, upper_teeth_only, water, wings