My Sister-in-Law Risks Everything to Protect Me, Not Knowing I'm the Strongest

His parents and all five of his older brothers are killed in battle! His entire family frames him! His fiancée not only refuses to clear his name, but also wants to break off their engagement! Then his five future sisters-in-law suddenly appear, stand up for him, and tell him he can pick any one of them to be his wife.

Lu Chen is in a tough spot. You're all so wonderful, could I...