Rule 34 Dev - 1boy 1cuntboy ambiguous_gender bite_mark bite_marks blush chinese_text cloudyqchan cum cuntboy ear_fins eye_patch gintama hair_over_one_eye hijikata_toshiro intersex interspecies male merfolk merman monochrome nipple_pinch nipple_tweak official_alternate_costume sweat takasugi_shinsuke vaginal_penetration veil yaoi youkai|13040167128