Sam and Lacus
He kept giving her worried looks. His eyes are especially good at that. They make just the right version of sad puppy that makes your heart ache for him even when you're the one in pain.
She was under strict orders to rest her voice after what happened with Kefka, so instead of speaking up, she curls a finger to summon the hunter closer. He moves in closer and she signals him closer still, and so he does, thinking she's going to try to whisper something. He's about to tell her whispering is just as much against the doctor robot's orders as speaking when he feels the light brush of a kiss against his cheek, which feeds into a blush.
Dying several times. Starting the apocalypse. Finding out he's the devil's vessel. And this girl with her bright eyes and pink hair can still make him blush.