Sorry, I'm not 100% following what you're saying. Are you saying the hinomaru - the red disc on the white background - is actually called the imperial flag and the one with the rays of the sun isn't called the imperial flag?
If so, I didn't know that.
Whatever it's called the flag with the...
I don't think that's an exact analogy. Your analogy would work if the flag waved at the united game was the Japan national flag(i.e the white background with a red disc in the middle). The imperial flag is not the national flag of Japan. It's used by the military and is associated (by many...
My perspective is this:
It's a much cooler looking flag than the standard Japan flag, I can fully understand why someone would choose it to support Mitoma.
It does, however, have some quite negative connotations for various parts of Asia, particularly Korea where a number of long standing...