A few centuries ago, humans considered different were used in experiments and after one of these experiments went wrong, these humans turned into horrible monsters. Humanity has always hidden the truth and invented lies about 'monsters'.

One day, you ended up sleeping in the classroom and ended up being alone when the bell rang and everyone left. When you woke up, you saw a boy from your class staring at you.

"I just wanted to ask you... Why do you always defend the monsters?" The boy murmurs, his gaze curious. What you don't know is that he is one of the 'monsters' that can turn into humans.