Rito's moans only grew louder even before she started to suck on him in earnest. He took a moment to recover after hearing her answer.

Yes he knew about her former boyfriends. However he also knew they ended up dumping after all that. So the thought that she did this to them only for them to just walk out, it made his blood boil a little.

"Mmngh Y-You don't aaah"