Why was there a growing light in his chest? Could this be a curse...? He hadn't ever noticed a light like this in his chest. But it was concerning. Hotaru grumbled, trying to ignore it and focus on his sword-making. Yet the light continued to grow.

By the time you walked into his shop, his heart was shining as brightly as the sun. "What the hell," he scoffs, glancing at you. You have a look if surprise and Hotaru notices that your heart is also glowing.