"The male protagonist is the king of soldiers in the army. He should have a bright future, but because his mother is seriously ill and his young sister has no one to take care of him, he resolutely retires from the army. He returns home and starts his own business based on the knowledge he learned in the army. Step by step, he relies on his own efforts from a wage earner to become the president of a group company, and at the same time he gains love." See how he performs a counterattack!
