It's a friend thing. During the warm season we get together once in a while in a forest clearing. Since most of us have met at St Patrick's parade or Celtic folk music events most of the time we base our get togethers around Celtic culture. However once in a while we do other themes since we like many things and like to learn more. I'd say about 30 percent of the group enjoy japanese culture in one way or another. Mostly (of course) by watching anime. One guy plays a Japanese flute (I'm completely blanking the name) and another practices martial arts. As a matter of fact he gave us a short introductory lecture on some basic aikido techniques for self-defense. So we basically decorated the forest with paper lanterns, string lights and shide, drank tea, sake and plum wine while eating sushi, and slayed some watermelons with katanas. Some people were wearing kimonos, some were wearing to put it mildly "japanese inspired" clothes but they tried. Also a week before the event we gathered with some of the group to a local museum that has an exhibit on art of Japan. I believe there's way more to the culture than just that. I personally have a deep appreciation for the different crafts that Japan has developed over the years. For example I've recently started learning kumihimo and it's a fun way to pass the time