[Western Crossover] Marry a Wayne? Me?

Xiapuluo was a merman who had finally passed the Heavenly Court civil service exam. He thought he could lie flat for ten thousand years, relying on his gift for purifying water sources, but the Heavenly Court sent him to develop a new territory through a political marriage. On his first day in Gotham. Xiapuluo lost his phone and suitcase, and after he reported it to the police, the station mistakenly locked him up. He had no choice but to produce his marriage certificate with Wayne and move into Wayne Manor ahead of schedule, beginning a life where he and his husband saw each other morning and night. On his second day in Gotham. Xiapuluo went out to gather water surveys for his new territory and discovered that Gotham's water was cursed. Once purified, it turned into a viscous black liquid. To deal with the symptoms, Xiapuluo dug countless human body parts out of the Gotham River, and along the way met Gotham's local bats and birds. On his third day in Gotham. An angel came calling, accusing them of faking their marriage to claim benefits. To preserve his parents' souls and make sure his divine registration and merit payments went smoothly, the two of them awkwardly pretended to be newlywed husbands! The Wayne family was forced to play a loving, close-knit family! On his Nth day in Gotham. The Wayne family held a fishing contest, and Brucey accidentally took the Water God's fishing rod, reputed to never come back empty. On the first cast, he caught the newly escaped Joker. On the second, he caught a frozen Captain America from the United States. On the third, he caught Brainiac's spaceship... A certain Water God: Water Gods and River Gods are pretty much the same thing, and the Milky Way is a river too. So tell me, did you come back empty-handed? Xiapuluo was very pleased with the political marriage. His husband was kind, handsome, and rich, and the house was full of children. He'd gained a lively big family without the pain of childbirth! His fief was a cursed land, its river water a mixture resembling poison, and even taking a bath earned him merit! · Batman had a magical accident and wound up in a political marriage for no apparent reason. He firmly refused. What? Getting married came with an ability to assess affection levels! And the other party was bringing his parents' souls as a dowry! Batman: Then he's definitely getting married! Theme: If you love him, give him a hug