Mad God's Love [Dark, enemies-to-lovers BL]

Creatures from the void start swarming already decrepit human domain, bringing along otherworldly laws of nature and logic. One most unfortunate man already at the very end of his rope catches attention of such being and finds that rope turning into a leash.

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A more realistic take on a relationship featuring interest from an inhuman element. It's not rosy, it won't be smooth, there's no instantaneous affection. As such the story is barely even a romance - there's struggle, ambiguity and things going from bad to worse on an express train. All that said, there will be semblance of a happy ending.