1boy bangs black_hair black_ribbon black_socks blush boxer_briefs breast_pocket bulge closed_mouth commentary_request couch crossdressing erection erection_under_clothes hair_ribbon highres kitajima_yuuki knee_up kneehighs long_hair looking_at_viewer male_focus male_underwear navel neck_ribbon no_pants on_couch open_clothes open_shirt original otoko_no_ko partial_commentary pocket purple_eyes red_ribbon ribbed_legwear ribbon shirt short_sleeves signature sitting socks solo speech_bubble spread_legs translation_request twintails underwear white_shirt