2boys anilingus anus bar_censor bare_shoulders black_hair blonde_hair blue_skirt blush censored clothed_masturbation commission crossdressing elbow_gloves erection genderswap genderswap_(ftm) gloves hair_between_eyes headgear hokuro_ryuuseigun kantai_collection leg_lift long_hair male_focus male_masturbation masturbation multiple_boys nagato_(kancolle) open_mouth otoko_no_ko penis pixiv_commission pleated_skirt school_uniform serafuku shimakaze-kun shimakaze_(kancolle) sitting skirt spread_legs striped striped_legwear testicles thighhighs tongue tongue_out white_gloves yaoi