1girl ahoge artist_name bangs blonde_hair brown_eyes clenched_hands commentary full_body fundoshi groin hair_between_eyes highres hiyama_yuu_(wee259hiyama) japanese_clothes long_hair looking_at_viewer multicolored_hair onii-chan_wa_oshimai! oyama_mahiro pink_hair rope sarashi simple_background solo standing straight-on thighs two-tone_hair white_background yamakasa