Sixteen-year-old Salazar accidentally transmigrated a thousand years into the future while trying to protect his mother's favorite pendant during a wizarding war.
He hadn't even figured out where he was
when his opponent on the battlefield, Godric Gryffindor, suddenly fell from the sky
and slammed into him, knocking him out cold.
When he woke up again, he was astonished to discover that he had become a Gryffindor student.
...Wait, why was he the founder of this school?
The brightest prospect of the next generation of the Slytherin family, heir to the great Parseltongue
The leader of the serpent clan, a legendary giant black snake from mythology, as intelligent as a human
A person and a snake stared at one another.
-Salazar, why have you turned young again?
-Blackie, why have you turned into a little stick?
"Boohoo, Master, you're finally back."
The giant snake in the Chamber of Secrets writhed and sobbed. Its tears nearly drowned both Salazar and the other snake.
-Salazar, when did you find another snake out there?!
-...I don't know either.
The mysterious Ravenclaws, the gentle and kind Hufflepuffs, and the strange Gryffindors
Why were people from all three families looking at him with such excitement?
Sixteen-year-old Salazar Slytherin was at a loss.
...Did they know each other that well?
A tsundere Salazar with an immature mind x a cunning, shameless Godric
Premise: The origin of the story's origin