(fic) Child's play- AC2/New Who Crossover Chapter 4

Title: Child's play
Chapter 4
Fandoms: Assassin's Creed 2/ Doctor Who (11th Doctor)
rating this chapter nc-17 to be safe
warning: slash content, silliness
Pairings Shaun/Desmond Leonardo/Ezio
spoilers for end of game AC2, S5 DW
I own neither of these creative properties and make no money from them

Summary: Leonardo da Vinci receives a visit from an old friend.

Should be read in order to make any sense.  Still might not help. Past Chapters: Chapter 1 Chapter 2 Chapter 3

Hopefully this is comprehensible for those unfamiliar with one fandom or the other.  Comments and critique are greatly appreciated.  If you enjoy this story at all, please let me know.  As always please don't crosspost to fb/twitter
( You had me at fish custard )