Seventeen years ago, that woman and her two children broke into his life without warning at an age when he was ignorant of the world. As a result, his family was torn apart when they happened to appear!
Was that sudden change an accident? Is it premeditated? Or...
Seventeen years later, he is back! At this time, he is no longer the child who is ignorant of the world and is at his mercy. He was very good at dealing with them, but the wounds had to be cut one by one to make people feel the pain, right? He has been scarred for seventeen years. He will not kill them with a knife. That would be too easy for them...
Is this return trip a fate trick? Is it doomed? Still......