Su Jiu transmigrated into the body of a Muggle beggar.
This world had Harry Potter.
There was Severus Snape, a Potions professor who drank himself into a stupor every day.
And there was an elf named Allen, who held the secret of a time potion.
Su Jiu became one of only two people in the world capable of making Void Potions.
He traveled to the most perilous corners of the world, but after an accident, he gave his heart and body to that cold-faced man. The next day, he left a note and ran off without a trace:
"A pink misunderstanding. No need to take responsibility. Stay away from me."
When Voldemort returned, the moment a venomous snake pierced Snape's throat, Su Jiu took the fatal blow for him.
The Void Potion rolled down from his throat.
When Snape opened his eyes, he was back on a stormy night six years earlier. In the backyard of Knockturn Alley, a drenched boy lay in the mud, staring blankly.
"Hello, Severus. I'm your future lover, Su Jiu."