Your Loser Husband Is the God of War

Adrian has been hiding his true identity for the past years. When his wife Elena, a general, comes back from the borders after years, she is pregnant with the child of General Cassian to humiliate Adrian, and attempts to claim his fortune in the victory ceremony. But it turns out Cassian has been colluding with foreign enemies secretly. In the end, Adrian reveals his identity as the Supreme Commander to protect the Empire, and gets closure on his relationship with Elena.