1girl, arm_support, bikini, blonde_hair, blush, breasts, collarbone, isshiki_iroha, looking_at_viewer, medium_breasts, medium_hair, meri-san, navel, ocean, sitting, solo, string_bikini, swimsuit, thighs, yahari_ore_no_seishun_lovecome_wa_machigatteiru., yellow_bikini, yellow_eyes