I Became a Genius Commander at the Academy - Chapter 207: War Is Diplomacy (2)

What would you do if you found yourself trapped in a world of a game?Would you panic?Rejoice?Just give up?This is a conundrum I found myself in after waking up in an unfamiliar bed, in an unfamiliar room, with no clue of how I got there.Magic powers?I had none of those…A cheat-like system?Nowhere to be found.All I possessed was a single skill that seemed meager at best…[ Shadow Manipulation ]

It’s a world of men.

It’s a mystical tribe.

Liang Yue crossed over as the son of the chieftain.

The whole tribe is concerned about Liang Yue’s marriage.

Every races in the whole tribe want to have baby with Liang Yue~

- Description from Novelupdates

Akira Kisaragi traverses into the Bleach world, unlocking a check-in system.He initially thought that by checking in daily, he could become stronger, soon become the Captain-Commander, join Division Zero, punch Yhwach, kick the Soul King, and marry Unohana...However, the system's style wasn't quite what he had imagined.〈 Check-in complete, obtained Genryūsai Yamamoto's secret roasted sweet potato! 〉〈 Check-in complete, obtained exclusive attribute: King of Normal Attacks, effect... 〉〈 Check-in complete, obtained Retsu Unohana's... 〉Akira's eyes suddenly lit up!“Seems like this might not be so bad after all!”

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.