Argument

Shang Jianyao let out a long exclamation, walked into the room, and circled the captain twice. Finally, he stopped and sighed in his mother tongue. "So it's you!"

The source of the darkness was actually in the captain's body!

Shang Jianyao then stroked his chin and ignored the captain's aria as he muttered to himself, "It comes from within the body…"

"Did he eat something he shouldn't have?" The honest Shang Jianyao stuck his head out from the right shoulder and joined the discussion.

The cheerful Shang Jianyao, who liked to joke, appeared on the left shoulder. "No matter what it is, it will eventually be expelled as long as it's not stuck in his body. However, its form might not change."

"It's stuck in his body…" The calm and rational Shang Jianyao thoughtfully said, "Don't you get it? A transplanted bone marrow. The goddess, Dufftiel Osira, who's a researcher…"