Rule 34 Dev - 10s 1boy 2017 2boys 2femboys 3boys collaborative_fellatio double_fellatio erect_penis erection greyscale hands_on_another's_head hands_on_head insitsukun japanese_text licking licking_penis looking_at_penis male_pubic_hair monochrome oral oral_sex penis pubic_hair sex shokudaikiri_mitsutada speech_bubble text touken_ranbu yaoi|8504748360