"You can't investigate this matter, but we can stop it. I'll have Xiao Bai bring the red spider lilies. You tell Ma Shijie to make a request to the higher-ups. All people with blood type O nationwide, regardless of gender or age, must take it—even a tiny bit is enough. Anyone who does not go to the hospital to take it, capture them all to thoroughly prevent such incidents from happening again. As for those who died earlier, you can't seek justice for them, or it will bring disaster upon you."
Of course, Gu Lili understood his words, as long as it could be stopped, then just stop it.
"Alright, I'll do as you say."
On the way to the police station, she was thinking about how to explain it to Ma Shijie and finally, after much consideration, she decided to cover up about the Demon World and use another excuse.
"Is it for people with a particular penchant for bloodsucking?"
"Yes, so now there is only one way to solve it."
"What?"