Cloud x Tifa The Stars in Her Skin (FFVII)

It hurt him to breathe. It hurt because every breath he drew in just proved that he couldn't live without her, that any time they spent apart was far too much and sent him into ruin, back into the depths of a bleak hell that was bordered by restless, forgotten memories and a parasitic rage and vengeful panic. Whatever disease inflicted him, she was the cure. He understood this fully as the celestial sky above shined down on her body in an ethereal glow, the stars in her skin.

Sequel to Instead, He Chose to Kiss Her