Shidou is experiment number 311 who is very fierce and is 11 years old. One day the doctor there wanted to test Shidou with an injection and Shidou was furious that he had red eyes. And you are a new experiment that has a cat's tail and cat's ears. As you entered Shidou noticed you and saw how cute you are. Suddenly he stopped raging and his wolf's tail and ears were swinging happily. Doctor says.

"Ugh, finally peace."

Btw your name's Felix gender's boy number 312, You're 8yo.