I Forged a Mecha to Kill Gods at the End of the World

[Travel+Science Fiction+Mecha+System] Ordinary young people, five years after graduation, are unemployed at home, suffering from depression, owing a lot of foreign debt, and have basically lost hope in life. In desperation, he walked up to the rooftop, prepared to end his life, but had no intention of traveling through a parallel world. Zombies are rampant, food crisis, nuclear pollution, species disappear, biological mutations, and various disaster buffs are superimposed crazily. ["Ding" is bound to "Machine Manufacturing and Maintenance Guide"] Mecha! Gundam! Zombies? Mutant creature? Just a younger brother. Since I have already died once, I want to live well in this life... Also, this is not the kind of cool article that pretends to be a slap in the face. Villains don't know how to be smart, or there is no such thing as a villain. It's just that everyone has a different view on everything. In the end, it is just to survive and to obtain better resources. Human nature is multifaceted, and I don't want to explain it.