Dad Sirius, Daddy Severus (Sirius x Severus)

After an accident in which Lily dies, Harry Evans is left in the custody of the couple Sirius Black and Severus Snape. How hard can it be to take care of a baby?

Clarification: brief situations in which you can see other time what Harry's life is like with a couple of men, sometimes including other couples.

Lucius Malfoy x Remus Lupin
Barty Crouch Jr x Peter Pettigrew
James Potter x Regulus Black
Drarry

Mention of couples from time to time.
Voldemort does not exist.
The characters belong to J.K. Rowling.
Before starting In wanted to mention that this story does NOT belong to me, it belongs to @Camilylove2. I'm only translating it into English.