1boy absurdres aerial_fireworks akaza_(kimetsu_no_yaiba) arsh_(thestarwish) bare_shoulders barefoot bead_anklet blurry depth_of_field facing_away fireworks floating_clothes from_behind full-body_tattoo highres kimetsu_no_yaiba male_focus mountainous_horizon night night_sky outdoors pants pink_hair sash short_hair sky sleeveless soles solo squatting tassel tattoo wind