There Is No True Peace in This World -Shin Kamen Rider SHOCKER SIDE- - Vol. 6 Ch. 54 - Clueless

[MangaDex]

 

[Deoxyribo9]

And the background of the plotlines explored in the movie continue forward.

 

[Bornsinner]

We're getting closer to Shin Kamen Rider!

 

[Erricane]

Wait what. I was for sure Hongo lost his father when he was a teenager. So it was much recent then.