Rule 34 Dev - 10s 1boy aged_down ahoge animal_ears bad_id bad_pixiv_id blue_eyes blue_hair cardfight!!_vanguard cat_boy cat_ears cat_tail chawanmushi_(ebikamaboko) chibi full_body male_focus matching_hair/eyes naked_shirt open_mouth sendou_aichi shirt simple_background smile solo tail white_background|5264393004