the_debt_of_time

"Soul Bonded," Sirius answered.
"When did this happen?" Harry asked.
"From what I can tell, Hermione provoked the Soul Bond on her end when she
pulled me from the veil. She carried it with her into the past where she met me when I was
eleven. I provoked my end of the Soul Bond when I kissed her there."
"You've kissed Hermione before?" Harry asked.
"Mia," Remus corrected him. "He's kissed Mia."
"I kissed Hermione too," Sirius confessed.
"Oh, right, just a while ago in the library. I'd forgotten."
"No, I kissed her before that."
Blinking, Remus stared at him with furrowed brows. "What? When?"
"In the middle of the battle." Sirius smirked when both Harry and Remus gaped at
him. "Don't look at me like that. I thought we were going to die. Besides, it's not like this
was a one-off thing for me. For fuck's sake, I was going to marry the witch."
"Hermione?" Harry asked, shocked.
"Mia," Remus corrected again.
"She's the same woman!" Sirius snapped. "It's just a fucking nickname!"
"Hermione hates nicknames," Harry mumbled.
"Wait, you proposed to Mia?" Remus asked, his eyes widening.
Harry's mouth fell open, as though he had not caught on to the seriousness until
just that moment. "You and Hermione were engaged?"
"How the hell did I not know this? You proposed to Mia, and she didn't tell me?"
Remus insisted, looking a little put out by the information. "I'm her best friend. She told
me everything!"
"She didn't know, dickhead!" Sirius scowled at his friend. "I hadn't gotten the guts
to do it yet, and then she fucking vanished one night before I had the chance to bloody ask
her! And you are not her best friend—I'm her best friend."
Remus rolled his eyes at the declaration. "Did James know? James had to have
known. You told each other everything. He owled you detailed letters from his honeymoon
with Lily!"
Harry grimaced. "Ugh.. ."
"'Ugh' is right," Sirius agreed. "Your dad was descriptive and not in a good way."