The Final 3 Days - S12.E48

Shiro tells the remaining Riders to finish the battle in three days. Otherwise, no one will get their wish.

Shuichi has in fact not died and is recovering in hospital.

Yui tries to jump off of a high building to stop the Rider War but Shiro prevents her.

Reiko and Chief Editor trying to solve mystery about Mirror World and Kamen Riders.

Reiko discovers that Shinji is a Kamen Rider.