Chapters: 10/? Fandom: Kingsman (Movies), Mamma Mia! (Movies), James Bond (Movies) Rating: Mature Warnings: Creator Chose Not To Use Archive Warnings Relationships: Harry Hart | Galahad/Merlin, Harry Hart | Galahad/Gary "Eggsy" Unwin, Harry Hart | Galahad/Merlin/Gary "Eggsy" Unwin Characters: Harry Hart | Galahad, Gary "Eggsy" Unwin, Daisy (Kingsman), Merlin (Kingsman), Roxy Morton | Lancelot, Jamal (Kingsman), Ryan (Kingsman), Brandon (Kingsman), Liam (Kingsman), Sam Carmichael, Donna Sheridan, Sophie Sheridan, Percival (Kingsman), Bill Anderson (Mamma Mia!) Additional Tags: Marriage of Convenience, Polyamory, Dean was a piece of shit, mention of him deadnaming, Harry has guilt issues about Eggsy, Slow Burn, Trans Eggsy Unwin, Implied/Referenced Underage Prostitution, there's a lot of fluff in here, there's gonna be kink in here, I'm incapable of writing vanilla sexual relationships, Harry Hart is Harry Bright fite me, Consensual Kink, Power Exchange, Kink Negotiation, D/s relationship, Oral Sex Series: Part 2 of Singing Spies Summary: