Is there hate at first sight?
When Kamiyama Kiyohira meets her for the first time, she is cursing him to rot with genital diseases at his father's funeral.
He is the wicked CEO. She is the hateful Hikikomori.
She is the wicked Hikikomori. He is the hateful CEO.
Who is the wicked one here? It depends. Who is at the bottom and who is on the top?
They are quite a match...