Trixie Lulamoon: She doesn't really celebrate Hearth's Warming instead of telling the Hearth's Warming story. She also interprets the story as getting together through unity, not friendship. So there's that.
The Flutters: They'll celebrate Hearth's Warming with the rest of the main 6. They may be generally up for anything involving them.
Hiro Nakamura: He doesn't really celebrate Xmas, but he's heard of it. He's Japanese, he celebrates Japanese holidays, but he can be up to experimenting with Hearth's Warming.
no subject
The Flutters: They'll celebrate Hearth's Warming with the rest of the main 6. They may be generally up for anything involving them.
Hiro Nakamura: He doesn't really celebrate Xmas, but he's heard of it. He's Japanese, he celebrates Japanese holidays, but he can be up to experimenting with Hearth's Warming.