Ryotaro tries to find a way to travel back to the day his sister lost her memory, in hopes that it would reveal the full truth regarding what happened to her and to her fiance Sakurai.
Genres: Action & Adventure , Drama , Sci-Fi & Fantasy
Keywords: artificial-intelligence-a-i , based-on-manga , biker , conspiracy , cyborg , death-of-hero , evil-dad , friends-to-enemies , henshin-heroes , hero , impostor , martial-arts , masked-superhero , masked-supervillain , memory-loss , monster , motorcycle , mysterious-death , mysterious-disappearance , secret-organization , super-power , superhero , superhero-teamup , supervillain , swordsman , tokusatsu , tribe , villain , watch-series-online