1girl, akatsuki_no_goei, beach, bikini, blue_eyes, blush, bow, bowtie, breasts, cleavage, hair_bow, hair_ornament, long_hair, looking_at_viewer, mascot, multicolored_hair, navel, nikaidou_reika, ocean, outdoors, red_hair, small_breasts, solo, swimsuit, tomose_shunsaku, twintails, two-tone_hair