MTL - My Summons Are Weird - Chapter 404 Solon and the Master must die 1

【Immigration Notice】Date: ████-██-██Location: ‘██’Application requirements are as follows:1. Familiarize yourself with the ‘Corner Law’.2. Have a clear understanding of █ people, anomalies, and monsters, and possess a certain level of appreciation for ██ literature.3. Physically and mentally healthy, with no infectious diseases or history of mental illness.4. Possess at least one skill, not limited to infrastructure, medicine, sports, etc.5. Families have a high immigration priority.Make the most important decision of your life, to become a new immigrant in the United Nations, and engrave your own name on the monument of human history.Thank you for your cooperation.

The world was once at war with 10 alternate worlds. This was known as the Concept War and our world won 60 years ago. All of this was concealed so no normal people are aware of this fact in the current time.

After the death of his grandfather, the high-school student Sayama Mikoto is suddenly summoned by the giant corporation IAI. He learns this world is headed for destruction due to the acceleration of the Minus Concepts. To prevent this, negotiations must be undertaken with the survivors of the other parallel worlds so their 10 concepts can be released.

And so Sayama is caught up in the final battle to clean up after the Concept War which left behind so much enmity.

Coming to my senses... I find myself a desperado.In the depths of azure, black sails flutter.Treasure gleams, blades ring out.Pillage, slaughter, irreverence towards the gods.Youth fades swiftly, all but meat and wine for pleasures.[Slice of Life][Romance Simulation][Business Simulation]

Forge unparalleled mechs with the ambition of old age, and use the galaxy as a knife to smash the edge of the empire.

His name is Ji Xinghe. When he was 65 years old, he went to Alien Battlefield to avenge his son.

The old man is standing on the ground, his ambition is a thousand miles away, the old man wears armor, and fights to the galaxy, the old man drags his sword, it is not for glory.

- Description from novelbuddy