1girl, accelerator_(toaru_majutsu_no_index), albino, androgynous, beach, bikini, blue_bikini, blue_sky, cloud, crossed_legs, cup, day, drinking_glass, drinking_straw, drinking_straw_in_mouth, expressionless, flower, full_body, genderswap, genderswap_(mtf), hair_flower, hair_ornament, holding, holding_cup, lily_(flower), mizuuma, navel, outdoors, red_eyes, sand, short_hair, sitting, sky, suzushina_yuriko, swimsuit, toaru_majutsu_no_index, water, white_hair