Gundam sousei manga

Gundam Sousei summary:

The famous Gundam series marked top rankings in popularity for a long time. What was the secret? How was Gundam born? What’s the story behind Gundam? For the first time ever, we take a step out of the actual Gundam plotline, and we turn the perspective towards the production of Gundam; how it became a major hit surpassing its predecessor, Japanese Battleship Yamato! This story is fictional, but the names of the characters are real, including the voice actors and director.