Valerian, The Legendary - Chapter 287 - Fighting The Way Up.

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.

John has been reading [The Legend of Divine Twig] for years, but at the end, the author rushes through it, leaving him with a bad taste in his mouth. He furiously contacts the author, stating he could have done better.To his surprise, the Author replied to him with one wordBetJohn has been plucked from his room into the world of the divine and wretches. He enjoys reading the novel but he wouldn't want to be in it. The world is full of hotel knights, priest, mysticism and worst of all eldritch horror.

Accidentally reborn as the son of the distant cousin of the Squib, the mother of Harry Potter’s friend Ron, and lived in this world as the second generation of Squib for eleven years.

He originally planned to be an accountant like his father in the future, but he didn’t expect fate to play a joke on him, and he didn’t know the slightest bit of magic, but he received the exact same envelope as his sister on his eleventh birthday.

Due to the expectations of his parents, he reluctantly accepted the reality, but inadvertently discovered another secret…

- Description from novelbuddy

Corporate slave Reiji went to another world one day, made one rank higher potions, and li~ghtly made a killer profit!

He used that money to open a drug store, and troubled people who heard the rumors came over…

Eyedrops for an elf troubled over his failing bow aim!

Cough syrup for the dragon that unintentionally releases his dragon breath!

Reiji makes medicine for troubled people, enjoying his leisurely slow life in a rural city.