Bride of the Water God

"Beware of leaning too close, little one," Tanjirou's grandmother warned him. He peered into the murky waters while clutching his grandmother's sleeve. "Why?" he asked, curious. The old woman stared at the unforgiving lake and began the thousand-year tale. "Because the water god will drown you," she said with daunting fear. "Because he might mistake you as his bride."