Yoshiharu Igasaki
The chronology of Super Sentai may, at last, be at an end. A boy has arrived from the future to save the earth from catastrophe. Yamato and his team are not aware that they are part of the enemy's plans. The Ninningers, who once protected Earth, have returned! And this time, they believe the Zyuohger are Yokai monsters! This battle will be the end of both teams. Will the message of the future boy get to Yamato in time? An unbelievable roll call that brings together all the Rangers of the Super Sentai! In 2017 the battle of all battles begins!
Osamu
Struggling manga author Satoru Fujinuma is beset by his fear to express himself. However, he has a supernatural ability of being forced to prevent deaths and catastrophes by being sent back in time before the incident occurred, repeating time until the accident is prevented. One day, he gets involved in an accident that has him framed as a murderer. Desperate to save the victim, he sends himself back in time only to find himself as a grade-schooler one month before fellow classmate Kayo Hinazuki went missing. Satoru now embarks on a new quest: to save Kayo and solve the mystery behind her disappearance.
