So, they came, and they bowed, and they took His Mark if Harry thought them worthy enough. Or, if Draco begged prettily enough when they tussled and rutted. So, he knew, without doubt, that his house affiliation would change very little upon his return to Hogwarts proper. Still, there were some hiccups that had everything to do with an acceptance of change and nothing to do with his being a lion — no matter how dark.