Cruel Love

"We want her, no one else can have her except for us" stated the two boys named Alexiel and Alexander, who were spying on a girl they liked. They wanted the girl to be theirs so both of the boys planned to murder her parents. When the boys finally succeed in taking the girl for themselves and murdering her parents, both of them torture the girl. But after all the harmful tortures they have given the girl, it seems like they love her, and torturing her was just a way of showing their love for her. What happens next for these three?