1boy akizuki_ryo autofellatio bad_hands bad_proportions blush commentary_request crossdressing fellatio glory_hole greyscale idolmaster idolmaster_dearly_stars kent_mame male_focus male_masturbation masturbation monochrome oral otoko_no_ko panties partial_commentary penis portal_(object) portal_(series) portal_1 side-tie_panties sketch solo sweat trembling underwear wall