1girl, annoyed, armpits, arms_behind_head, beach, bikini, blue_bikini, blue_hair, breasts, cellphone, cellphone_photo, dark_blue_hair, hair_between_eyes, halterneck, kirisaki_reina, long_hair, looking_at_viewer, love_live!, love_live!_school_idol_project, navel, o-ring, o-ring_bikini, open_mouth, phone, side-tie_bikini_bottom, sitting, small_breasts, smartphone, solo, sonoda_umi, stomach, string_bikini, sweatdrop, swimsuit, taking_picture, teeth, upper_teeth_only, v-shaped_eyebrows, viewfinder, white_bikini, yellow_eyes