The man was the head of planning and development at Mind Control Corporation, but he was fired and became a NEET. Tired of the intense moans of the sexy flight attendant who lived next door every night, he successfully developed a new brainwashing item on his own. It's called the Brainwashing Lock! With this key that can switch between the things you like and the things you dislike, you can redecorate the room in your Kokoro!