What are friends for (HP rec)

[califmole]

"Most of the time, despite the ridiculous Muggle proverb, Snape had found that Misery did not, in fact, love Company. Misery wanted Company to bugger off and die so that Misery could sulk in peace. Screaming Agony, on the other hand, liked Company just fine."

Severus Snape comes to the rescue of Sirius Black, in his own inimitable fashion.

A Small Truce by Marina Frants
Gen
http://www.sff.net/people/frants/smalltruce1.html