Join the Army for Your Brother! as a Result, Your God of War Returns

(Urban cool story + mother-in-law protecting son-in-law + ambiguity + invincibility + multiple female protagonists) Five years ago, he joined the army for his brother and became a god of war. As a result, his parents forced him to hand over his military skills and identity to his brother. They also forced him to marry a disfigured woman. However, he found out that this disfigured woman was disfigured in some way. She was too beautiful to talk about. Moreover, her mother-in-law was also a great beauty with a kind heart and cared for her son-in-law...