The Return of the King of Soldiers Gradually Becomes a Boss by Relying on Emoticons

[Rebirth System] [Single Female Protagonist] Revenge + Strategy + Mystery He was originally the king of soldiers. He was stabbed in the back by his most trusted brother on the battlefield and unfortunately died. However, when he was on the verge of death, he bound to the system and got a chance to be reborn. I thought that as long as I completed the task of capturing the eldest daughter of the chaebol family, I would be reborn for revenge. But the evil thought system that had long been destroyed suddenly appeared in this world. So a new crisis is coming, what kind of mission will he bear? The Trans Crystal of St. Rand School, the evil thought system hidden in Mu's house, the trick of brainwashing and control, an evil conspiracy is brewing. The hour hand of fate has begun to turn, and how will the fateful scales tilt...