Naofumi hates Malty for setting him up for the crime of raping her, this hatred grows exponentially over the series as Malty continues to antagonize him and try to add to the misery she'd already made his life into. After Malty's mother,thustomer.e Queen, clears Naofumi's name and strips Malty of her right to inherit the throne as punishment for her actions, he immediately asked that she be executed, but was talked down to renaming her "Bitch" and later "Witch" instead. Malty remains utterly unrepentant for her past actions and aims to do whatever she can to get back at Naofumi. In the end, when Malty's attempted revolution fails and she's sentenced to be married off to the King of Faubley as punishment for her actions, she immediately freaks out and becomes desperate enough to even beg Naofumi to take her back as an ally and save her. to put this in perspective, the King of Faubley treats women as toys and frequently "breaks" them, having gone through 9,999 women before Malty. Being banished into this King's custody is enough to utterly break even Malty's high and mighty attitude and leave her literally begging for help, but by this point she's exhausted everyone's sympathy and nobody is willing to lend it, least of all Naofumi, so she rather predictably gets sent off to her fate instead. She died two weeks later and her body was returned as proof, it was, by Naofumi's own words, not a pretty sight.