The summer before his 6th year at Hogwarts, Severus concots a plan to finally get to spend a night with the man of his dreams, little does he realise that one night of passion can lead to disasterous consequences especially when Sirius makes it clear he hates him. When Severus finds out he's pregnant, how will he cope with the prospect bringing up the Gryffindor's baby alone? Mpreg