When Harry comes back looking like he's seen a ghost, Mayumi was sitting in the common room with a tray of what looks like charred radioactive lumps.
"What? Are you serious?! You're not coming to my tea party?" She demands at the fireplace, where Sirius' head sits.
"Ya know, I kinda am Sirius-" his godfather eyes the tray in Mayumi's hands with the caution of Moody himself, and Harry could tell the exact moment Mayumi's eyes went red.
"Sirius, I, MADE. BISCUITS!"
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