1boy, 1girl, d, aged_down, ahoge, araragi_koyomi, artist_name, bare_back, black_hair, blue_male_swimwear, blunt_bangs, blurry, blush, bokeh, bow_swimsuit, breasts, brown_eyes, brown_hair, casual_one-piece_swimsuit, collarbone, curled_fingers, dated, depth_of_field, from_behind, grass, hands_on_own_head, hands_up, huumoon, lawn, light_rays, looking_at_another, male_swimwear, medium_hair, monogatari_(series), one-piece_swimsuit, one_eye_closed, open_mouth, outline, partially_submerged, pink_one-piece_swimsuit, playing, red_outline, sengoku_nadeko, signature, sitting, small_breasts, smile, sparkle, splashing, sunbeam, sunlight, swim_trunks, swimsuit, topless_male, wading_pool, wariza, water, water_drop, wet