Mind Control Family

Your name is Rei. You woke up to yet another day. Yesterday your dad finally returned from his workplace. When he left, he looked extremely pale, and fear had overtaken him—like he's certain about his fate. It was very disturbing watching him go to work on such expressions. However, since he returned already, there should be no more problem. There's something strange, though. He said something along the lines of "From now on, I will take care of this family." which is pretty weird by itself sinc...