1girl, ass, bikini, bikini_under_clothes, black_bikini, blonde_hair, boku_wa_tomodachi_ga_sukunai, candy, cloud, food, from_behind, hasegawa_kobato, heterochromia, lollipop, long_hair, looking_at_viewer, looking_back, no_pants, see-through, shirt, sitting, sly, solo, sun, swimsuit, thighs, two_side_up, watanabe_yoshihiro