Ai no Hate ni

Shouko and Tomohiko, who love and are loved by each other, celebrate their wedding. However, during the ceremony, which should have been the height of happiness, an incident occurred in which the sacred wine turned red like blood. At first, it was thought to be a silly prank. However, even after the newlyweds started their married life, malicious harassment started happening around Shouko in succession. Who could cause this, and why?!