2girls, d, afloat, akb49_ren'ai_kinshi_jourei, arisu_ria, arm_support, armpits, barefoot, black_ribbon, blonde_hair, blue_eyes, blue_one-piece_swimsuit, blue_sky, breasts, chair, cloud, collarbone, covered_navel, day, dutch_angle, fang, full_body, gesture, goggles, goggles_on_head, hair_between_eyes, hair_intakes, hair_over_shoulder, hair_ribbon, hand_gesture, hand_up, happy, innertube, legs, looking_at_viewer, lounge_chair, low_twintails, medium_hair, mountain, multiple_girls, okabe_ai, one-piece_swimsuit, open_mouth, outdoors, palm_tree, pink_hair, pool, reflection, reflective_water, ribbon, rouzato, school_swimsuit, shaka_sign, sitting, sky, small_breasts, smile, soaking_feet, solo_focus, swimsuit, tree, twintails, water