safebooruhttps://safebooru.org/index.php?page=atom&tags=1boy animal costume animal ears ansatsu kyoushitsu bangs blue eyes blue hair blush collar colored skin dog costume dog ears eyebrows visible through hair grin highres holding koro-sensei kunugigaoka middle school uniform kymatrix long hair male focus necktie otoko no ko school uniform shiota nagisa shirt short hair short twintails simple background smile solo twintails vest white background yellow skin2024-05-23T15:57:10Zsafebooru