I know she isn't the most liked character, but...
I disliked her at first because of her extremely violent nature, but the more I learned about her the more I liked her. She doesn't know who or what she is supposed to be, so she acts indifferent to everything because she doesn't know what to think. Her childhood was terrible, and even after she escaped Pragia she had a tough life. Always taken advantage of by almost everyone she met, and the one who did care for her was killed.
I find myself wanting to talk to her, even if she would probably never let me. I want to give her someone to open up to. She wants to express what she feels, but doesn't know how.
When I read her poem I cried. I still had mixed feelings but seeing that desperate attempt at understanding and expressing herself pushed me over the edge.
First choice: Roland Deschain from Steven King's Dark Tower. Another person who tries to avoid sharing anything of meaning about himself, yet wants to. I'm not entirely sure, but I'm pretty sure he's only straight. Still, I spent many hours imagining if I was part of the ka-tet. I mean, I love all of those characters, but Roland was just amazing. I wish I could have spent the time talking to him.
I just want to say that I have never heard the term "Waifu" before, so sorry if I used it wrong. Physical attraction is not a part of my choices at all.