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"Marry me!" A world where the war between humans and demons has continued for hundreds or years... The hero was summoned from Earth to be humanity's Ace in the hole. Aoi Yamato was a regular university student, but led them to a sweeping victory and ended the war. However, the softhearted Yamato did not eradicate the demons, declaring that "the hero and the demon king will become a married couple" as proof of peace. Fast forward to a year after their marriage... Yamato and Demon Lord Rei are enjoying a lovey-dovey, newlywed life. Yamato is madly in love with his gorgeous and devoted Rei... while the serious Rei tries his damndest to be a good wife in all capacities.
Demon Queen Abyss is worried… She\'s not able to defeat the Hero, considered the mortal enemy of the demons. This Hero is still an inexperienced young man—he should be easy to defeat! … However, the problem is that he, not knowing Abyss\'s true identity, considers her his “Master” and has become very fond of her…!? ___ **Producer & Supervisor:** [studioHEADLINE](https://mangadex.org/author/657c3108-5817-4669-a957-a9c7ec5080ee/studio-headline)
At dawn, when the snow is falling, Nikkari finds a person who is freezing on the bridge. He has two tails and cat ears and claims to be a \"Nekomata\". Unable to leave the enigmatic Nekomata alone, they end up looking for things together, but the true face he shows sometimes makes Nikkari nervous...?
