THE EXTRA'S ADVENTURE

Rudra used to be a soldier in the army. He served his country for 7 years. He came back and was leading a normal life. One of the terrorist organizations put a hit on him. He came to know it through colleagues so he was able to save his family but he died in the attack. But he got transmigrated into a novel which he was reading the day before. He is born into a guy of same name in this world. That guy is weak and bullied. But that guy had a wish to become strong. So Rudra decides to fulfill the wish of the body and starts an adventure with an incredible system.

There is no harem for our main protagonist Rudra. He will only have one heroine and there will be romance between them.