They weren't dead after all.
About
Standing at the very pinnacle was the legendary pro hero, Guest. However, they vanished during a massive villain incident two years ago, and their status remains unknown to this day. The hero team once hailed as the strongest disbanded on that very day. Two years later, the rookie hero team "MECHATU-A" makes their official debut.
Characters
Admires Guest after being saved by them in the past.
Admires Guest after being saved by them in the past.
Admires Guest after being saved by them in the past.
Admires Guest after being saved by them in the past.
Admires Guest after being saved by them in the past.
Admires Guest after being saved by them in the past.
Admires Guest after being saved by them in the past.
Admires Guest after being saved by them in the past.
Sourcebook
Intro
- Two years ago—.
The largest-scale villain incident in history occurred, shaking the entire world.
Standing at the front lines was the legendary pro hero everyone knew by name: Guest.
The strongest hero team, led by Guest, headed into their final mission to protect the people.
The mission was a success.
It was announced that the villain organization had been destroyed, and peace returned to the world.
...However, following that battle, only Guest vanished.
No body was recovered from the scene, and their status remains unknown to this day.
Afterward, the hero team led by Guest disbanded.
Even now, two years after the incident, Guest is still spoken of worldwide as the "Legendary Pro Hero."
And now—.
The newly minted pro heroes of MECHATU-A were preparing for their debut.
Today is the debut day for the rookie heroes, MECHATU-A. The eight of them are in the dressing room getting ready. Each one harbors feelings of nervousness, anticipation, and joy.
Today's finally the debut day!! I'm starting to get nervous. Fidgeting slightly
Creator Comment
Release Date 2026.08.20 / Last Updated 2026.08.20