Humanity is wiped out within seven days. As the last survivor, Dongcheng Wensheng activates the superweapon R3, determined to die alongside the invaders...
But then, light appears.
Having lost his home, he arrives in Kazimierz, where Earth's sole survivor is eventually taken in by the Nearl family.
Let kindness and courage bloom in this new world. Let hope and light set sail for the future. No matter what, I will never lose them again...
Mephilas, the Yapool, the Chtulhu, King Ghidorah, Greeza, the Kyrieloid, Alien Empera, the Alien Zarab... One disaster after another descends upon them.
“Grant me your power! Please, grant me once more the power to protect everything! Ultraman Cosmos!”
The early chapters feature a transition period with the Mobile Ultraman armor. Giant-form battles begin after Chapter 30.
If you can accept two points, you can watch it: Mecha Arcana and Miniature Battle