Shindo Arata

Reborn as the third prince of a tiny and insignificant country, Hero happens to learn the forbidden-yet-powerful art of alchemy. Combined with his knowledge from modern-day Japan, Hero's abilities grow beyond what anyone in his world could fathom! With his newly-acquired powers, he’ll bring his country back from the verge of extinction...! A combination of modern-day knowledge and alchemy to turn a weak little country into a prosperous nation!

Hinoharu Kota is bored with his life as a middle-aged office worker, and his marriage with his new wife is beginning to strain. One day, he is accidentally summoned to another world as a beast summon. Fantastically, each time he is summoned between worlds he obtains a new skill. Soon, he finds himself contracted with a female knight. Where will his growing powers and adventures between two worlds take him!?Available Officially in English on Mangamo