There was a rhythmic hollow “whump” that came from a hovercraft crossing waves, but that wasn't what woke Tifa. It was the broken whimper, the choked cry, and the helpless “no”.
Goodbye Hero - Chapter 37 - Surf ‘n’ Turf
Summary: Tifa's parents had honeymooned in Costa del Sol. It was THE dream vacation of her childhood. This is her second time here, and she's not enjoying it this time either.
On AO3:
https://archiveofourown.org/works/26342719/chapters/107371662 On ff.net:
https://www.fanfiction.net/s/13691240/37/Goodbye-Hero