Its hard to say if he's on the right here. Yes, she has been thru alot herself and needs someone to help her. I would like to think he has an endgame in mind.
Fuyuzora Kogarashi. - Yuuna and the Haunted Hot Springs
Rough childhood, learned and matured and cares about the girls in his life. Is not dense. He vows to protect the women that love him and earned their trust.
Kamijou Touma - A Certain Series
Rough childhood, called God of Pestilence...
I've just now noticed that Yuuna is with the girls too. In the dreams she seems to have sacrificed herself or something along those lines. I'm glad because I'm really not wanting her to pass on. She's pretty over powered and to not be able to stop that process is kinda silly when you think about...
Don't believe this series was axed. It's doing pretty well in sales for an ecchi manga. I had always wanted a chapter where the girls got to fight a possessed Kogarashi. Figured it would happen towards the end. The whole thing was just so dang fast. Scene at the end would have been way more...