Surprise, surprise. The Japanese guy is "manly looking" and the Western blondie looks "pretty as a girl" (it is usually the other way around, so that is a plus).
I liked the story cuz I am a huge Japanophile, and I love to read descriptions of clothes, customs, places, etc. The author writes well and I am willing to read her books. Because it is short, I feel like things were missing, and that Jonathon and Kazuhiro's relationship was more like a crush. Also, Jonathon was too soft for my taste; he could have been replaced easily with a female character and there would have been not many differences.
To end, I have to say that I had only one samurai in mind, who would be a great Kazuhiro: