During OotP, Sirius makes Tonks realise her feelings for Remus. What is she going to do about it?

Never in a million years did Remus expect what he thought was a successful mission amongst the werewolves to come back and bite him from behind. DH oneshot

Sirius' new hobby is threatening to expose Remus and Tonks' secret romance, unless they take evasive action. Takes place during OotP.

The problem was that no one ever got out, and he knew it. Walking away wasn’t an option, not once they’ve been branded. Marked, he thought darkly. Regulus

After Dumbledore's fall from the Astromony Tower, Remus and Tonks are left with the task of sorting through his office, when Tonks sends Remus on a trip down memory lane.

Horace does what he does best - plots suitable connections. Slughorn, James/Lily

He tried to avoid sleep, focusing on the screams around him to try and keep him awake, although he knew that it was inevitable. There were only ever two nightmares that he had each and every night Sirius

Ginny finds Harry the morning after The Battle in Deathly Hallows

Kreacher doesn't know why Mistress Black doesn't like the snow.

James Potter found himself to be sitting in the shallow waters of the Black Lake. James, Sirius

Sirius Black didn’t always have the best birthdays while he was at Hogwarts, but they were always memorable. Marauder Era

Sirius had always had a random track mind, but how had the conversation gone from chocolate frog cards to trollops? Marauder fic.

James and Lily have finally gotten together as Remus always knew they would. If he always knew it would happen, then why is he so miserable? JP/LE

During HBP, Remus looks into the fire and thinks back to a happier Christmas, during OotP which also happened to be his first date with Tonks.

Sirius knows and now Lily knows he knows. RLLE