if the hottie truly wanted her to despair, he would first take an appearance of an old, fat, ugly, sweaty man and then start his sexual assault
how easy for all romance/smut storries would be to change into horror ones if only the ML visage is downgraded
i bet it will turn out that they were in love in their past life too but had a whole romeo and juliet ending where they killed each other in hopes they could find happiness in their next lives.