1boy 1girl ass bed bed_sheet blue_hair blush clenched_teeth closed_eyes colorized doggystyle ferdinand_(honzuki_no_gekokujou) hiduki-kk honzuki_no_gekokujou jewelry long_hair maine_(honzuki_no_gekokujou) nude object_hug on_bed petals pillow pillow_hug ring sex sex_from_behind sweat teeth traditional_media watercolor_pencil_(medium)