Say the Word - Fatal Prompt Verse

Title:  Say the Word (part of the Fatal Prompt Verse series)
Fandom: BTVS; Spike/Xander
Warnings: Slash, AU, bit of Dom kink
Rating:  NC-17
Summary: Father’s Day doesn’t go exactly as Xander planned.

You don’t have to read the previous parts to read this one. Each story can work as a stand alone.
Just couldn’t figure out how to work this prompt into “Breaking Free.”

Previous parts here.

As always: Feedback make my heart go pitter-patter.

( Say the Word... )