Cloud x Tifa - Liquid Arrows (FFVII)

He found himself thinking again about their intense lovemaking the night before in Kalm and how he had kissed her beneath the wispy leaves of a weeping willow the night prior to that. Ever since he had first laid eyes on her and followed her around Sector7, moving alongside her grace and finesse in battle, there had been a deep, dark possession taking root somewhere inside of his bones, linking him to her in ways that were beginning to feel inextricable and intractable.

Third part of "Anxious Hearts Beneath the Sparkle", Following Instead, He Chose to Kiss Her and The Stars In Her Skin.