Mistaken Identities (джен)

Because of a potion brewed by Dumbledore, Severus and Harry are trapped in their animangus forms with no memories. Severus, now called Shadow, adopts Harry, now called Viridian, as his own. What happens when Severus gets his memory back? Will he still care about his cub? This is set right before the end of Harry's first year at Hogwarts, although this is AU.