Ponzi rape
To trick someone who into having sex by getting them to be think the connection is something other than what it really is. Also called "deceptive rape", "rape by fraud", and " the 'consent & regret' game".
He Ponzi raped her for weeks by creating an illusion of love and closeness, and then dumped her without a care when he was bored with the sex. She was devastated and confused, trying to figure out what went wrong.