"Feel the Flash" is a popular song by MAX, a Japanese pop group, and "Kasumi" might refer to a specific edition or collaboration related to this song. Unfortunately, there isn't much information available on a "Hardcore Kasumi Exclusive" version of the song.

However, I can provide a general guide on how to approach a hardcore or energetic version of "Feel the Flash" and possibly relate it to a character or concept named Kasumi.

You're looking for a guide related to "Feel the Flash Hardcore Kasumi Exclusive". I'll do my best to provide a comprehensive guide.