Buffy Summers and Spike are dating. It’s Dawn’s 16th birthday coming up. Buffy doesn’t know what to get her. Buffy then comes up with an idea. Buffy’s idea is to allow Dawn to have sex with Spike. After some convincing, she gets Spike onboard with the idea. When Buffy proposes the idea to Dawn she’s shocked and apprehensive, being quite nervous. Spike even offers to do anything she wants no matter how taboo or kinky. After some convincing Dawn agrees. After Dawn and Spike’s first time together, Dawn asks Buffy and Spike if they could make it a regular thing, they agree. (Write a 5000 word story based on this prompt. Include a lot of dialogue).