NIUR
https://images.plurk.com/q6zPrf3VF9DmoubSMdTqX.gif https://images.plurk.com/4JbiIYsfTeyNXhSZNcUdLk.gif https://images.plurk.com/2yba12GvJ4GGeQfTGKLMwa.gif R18[動圖] 呱!spine的物理運算學習中口牙!