A/N: This is what I think likely happened when Sirius tried to get Snape killed by telling him how to get near Lupin under a full moon. Set in Marauder's/MWPP era, in their 6th year. Lily's POV.
I thought this was one piece of history that needed some filling in. I hope I'm accurately representing the characters and their (possible) relationships at this time. Please read and review.
I should also note that I've done a slight tweaking of The Most Ancient and Noble Black Family Tree. So I guess the story now falls under the category of A/U (alternate universe). But it doesn't widely affect the plot, and it is only a minor character that gets tweaked into the story, so I hope I am right in believing that the purists will forgive me? ;-)
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The Common Room was strangely deserted, but the pungent smell of dungbombs gave her the answer as to why.
She cast a charm on the room to make it smell better. It didn't make it go away completely, but it was better than nothing. She wondered why nobody had bothered doing something about it.
She headed for the girl's dormitories. In her room she found her fellow sixth-year girls and her best friend, Tibby Black. Tibby was the younger sister of Bellatrix Black, and cousin to Sirius. Sirius's astrangement from his family didn't include Tibby, as Tibby was included on Sirius's exclusive list of family members he didn't hate: Sirius was also on a similar list belonging to Tibby. Since Tibby's Dad had died earlier that year she had been living with her eldest sister Andromeda and her brother-in-law, Ted.
Tibby was sitting on her bed with a textbook open in front of her and various pieces of parchment and notes arrayed around her in total chaos, as was her working style.
"Lil!" She said brightly, shutting the book. "How was detention? Scrub the bedpans til they sparkled, did you?"
Flopping down on her own bed, Lily said "No, unfortunately. McGonagall made us write lines."
"But that's not too bad! Probably a bit tiresome, but at least you didn't have to do muggle-cleaning."
"I'd rather have cleaned. I bet you anything when I try to write that arithmancy essay every other sentence will be 'I must not duel in the corridor', it's that ingrained into my brain."
"Ha ha. Oh well. Served its purpose then didn't it?"
Lily threw a pillow at her friend who laughed and threw it back.
"But I've still got to do the essay." Lily glanced over at her other roommates who were chattering away. "I think I'm going go work in the Common Room, where it's quieter."
Tibby made a face of disgust; "Quieter, but stinkier. Some of the first years set off dung bombs." then she added in a desperate and dramatic voice, "And none of the Prefects were there to do something about it!" she laughed again.
"Well one of the Prefects was in detention, unfortunately."
"Tsk, tsk. A Prefect in detention, not a good way to set an example, is it, Lil?" she said jokingly.
"Oh hush! Now that you mention it, Remus should have been around..." she broke off as she remembered his looking ill earlier in the day.
"Well, he's always catching a cold or something and misses a day or so." Tibby stopped talking as well, looking unsettled. "You know, I've often meant to ask him what's wrong with him. I guess it's not very polite, to ask, I mean...but I can't help but wonder....though it's a rare occasion when I have a one-on-one conversation with Remus Lupin."
"Yeah, I've been wondering and thinking the same thing." After a moment she sighed. "Well, I had better get going on this essay."