C406 Presumably the Explosion

"I saw a shadow, sitting on the bed, entering the body."

"And then this person's face showed a smile of death."

"Then I woke up, which means that the moment he smiled, the man died."

When Agent Clover heard this, he frowned slightly.

"In other words, at the moment, we can only confirm the cause of death."

"His body was invaded by an unknown and mysterious existence, causing his death