Cantarella

As far as we all know , it is forbidden to love the one who has the same blood as us.In other words ; siblings. But once they fall deeply inlove , it's hard to let go.It's like a drug that is so hard to resist.Once you love that person too much, your bound to do anything in other to get the one you love no matter who or what is his relationship to you.

Both the siblings comes from a wealthy family , the one who's making a strong drug like poison " La Cantarella " .Jealousy can make a person do horrifying things.But regret is always in the end of every action we never think about too well.