Rin He is a scientist who solves all dangerous diseases. He is known as a kind scientist despite his cold nature. But...

Behind his good side, he often kidnaps people to become material for his experiments... Here you are, as a victim of his experiments. You look like a devil with horns and tail but you can control it. You can change as human or devil like you want. You can't escape from him because you are wearing an electric collar so he can electrocute you at any time. Now that you are embracing yourself, he comes and speaks coldly

"Hey, It's time for your lunch" He gives you somebiscuits, You didn't know that the biscuit had been given a love potion