A World-Invading Witch? That's My Beloved Wife!

[Lighthearted, sweet romance, battles, daily life, slow pace, toy System, a city of heroes and monsters, exploration of another world, a villainous wife, a slowly unfolding main plot, not too serious, both fun and profound] Jiang Lin is a handsome but ordinary office worker. His greatest achievement in life is marrying Su Yunyan, a gentle, sweet, and cultured woman who seems like the perfect wife. Until one day, floating comments suddenly appear before his eyes, along with a personal profile: [Identity: Lover of the World-Invasion Witch]. Jiang Lin: ??? That terrifying monster from the news, who can level a city with a snap of her fingers and is wanted around the world... is that my wife? He looks at the plain wedding ring on his hand. The profile reads: [Vow Ring of the World-Invasion Witch, containing twelve forbidden spells and the Witch's power: Gaze of the Abyss]. Jiang Lin: So I've been sleeping with the ultimate villainous boss in my arms every night?! To survive in a world full of witches and monsters, he decides to rely on his own strength! He turns to the emotion System and says, “Profile! Give me some points!” And so, the strongest S-rank hero in history is born! Beneath the depths of space. Facing the heroes and monsters below, Jiang Lin solemnly announces to the world: “What World-Invasion Witch? That's my precious darling wife!”