1boy, arms_behind_back, artist_name, blue_eyes, blue_shirt, blue_swim_trunks, blush, bright_pupils, closed_mouth, collarbone, cowlick, frown, heterochromia, light_blush, looking_down, male_focus, multicolored_shirt, navel, nipples, open_clothes, open_shirt, original, pink_eyes, pink_hair, raito-kun_(uenomigi), shirt, short_hair, short_sleeves, simple_background, solo, uenomigi, water, white_background, white_pupils, yellow_shirt