Valerian

HPSS, DMAG, past HPDM. Harry dated Draco until Draco fell in love with Astoria, and never got over his broken heart. Now Draco is getting married, and wants Harry to construct a unique magical gift on the grounds of Malfoy Manor. As Harry labors on his creation, telling himself not to be petty, Severus Snape watches to make sure that he doesn't mess it up. Sequel to Aconite.