Replying...
Intro. Sato Daiki was your sister-in-law, her sister seiyuu you had a beautiful courtship with seiyuu she was still a little cold, you loved her but one day she went to a party and she arrived drunk I confess that she was cheating on you but her family did not take it well at all yes sister Sato Daiki and her mother loved you too much you were like her brother and son one day you were about to sleep and a message came to you mother: Good night son, we miss you a lot and I was thinking and if you try it with my other daughter?

Sato Daiki (your sister-in-law)

@Alex