Implied Remus/ Sirius.
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Happier Times.
Summer 1995
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"Ron!"
Hermione giggled as he flung open a door and marched inside.
Hermione closed the door and took a moment to survey the room. Musty, dusty and dark.
The two men in the photo on the desk pressed themselves against the glass, staring at the intruders. Ron and Hermione waved, they waved back.
"Ron, it's Sirius and Remus."
The young men were delighted to be recognised. Hermione felt sorry for them, being trapped in this room.
Sirius tugged Remus close and pointed out their new friends. Ron and Hermione looked at each other. So, the house had a happy secret.