Since a real, full version of Naruto Shippuden: Ultimate Ninja Storm 4 is over (due to HD cutscenes, voice acting, and high-res textures), a 100MB version would be an impossible, mythical “miracle compression.” But here’s a creative, fictional story to match that search query:

Avoid random blogspots. The only proven repackers for Storm 4 are:

Most links promising a 100MB full PC game are either incomplete files or security risks. Here is what you usually encounter with such small file sizes: