WMG / Shin Kamen Rider: Prologue

The organization running behind this is Foundation X.
  • Weird experiments full of stuffs that are so disturbing? Oh boy! Something is cooking here.
    • According to the Toei official book Knowledge of Kamen Riders, they do have a connection of some kind.
Shin Kamen Rider leads directly into the Kamen Rider BLACK manga
  • He just gets amnesia and thinks his name's Kotaro.
http://tvtropes.org/pmwiki/pmwiki.php/WMG/ShinKamenRiderPrologue