1boy 1girl arm_around_waist bangs blush breasts closed_eyes closed_mouth couple douma_(kimetsu_no_yaiba) eyelashes flipped_hair forked_eyebrows from_side gradient_background greyscale hair_down hamiko_(hakogardenmiko) hands_up hetero highres hug hug_from_behind imminent_kiss kimetsu_no_yaiba kochou_shinobu looking_at_viewer monochrome naked_towel nude open_mouth parted_bangs profile short_hair towel twitter_username upper_body