I Can't Stand It. Even Though She's My Daughter-in-law, She's My Uncle. Jitsuki Horikita.

My daughter has come of age and is finally getting married... To tell the truth, she is my late wife's child from a previous marriage when she was young... It was honestly a struggle to raise her... And now that daughter is getting married... It's a joyful thing, but recently... I've been feeling very complicated emotions inside... That is... I've been having dreams every night of doing obscene things with my daughter...