Most reliable "exclusive" save data files are hosted on community platforms. Users often look for the version of the save, as the game was primarily a Japan-exclusive release:

Kamen Rider Super Climax Heroes is an exciting game that allows you to play as your favorite Kamen Rider characters. By saving your data regularly and following a few simple tips, you can ensure that your progress is safe and secure. Whether you're a hardcore gamer or just playing for fun, saving your data is an important part of the gaming experience.