[Somehow, the thought of him enjoying ice cream on a beach amuses her. Maybe because she's only ever seen seen him as this dry, dismissive thing and she associates a relaxing time on the seashore with someone... not William Herondale. But there she goes again, making assumptions. Not all people are Slytherins, Ginny Weasley, and not all people can be so neatly Sorted into Houses and their rivalries.
action; ...literally just got off the plane from japan ;___;
Instead, she asks with absolute sincerity,]
Who's Billy Bones?