"Even though I brewed it myself, I only did so according to the records. The records didn't specify its exact effects either."
Akako Koizumi spoke helplessly. The magic tome passed down through her family simply did not contain much information.
"So this is something with unknown effects? We don't even know whether it has any side effects?"
"Yeah. It might have some side effects. Looks like we'll need to find someone to test it on. What do you think about volunteering?" Akako Koizumi looked at Chen.
"Hey, Akako Koizumi, did you really take me for a lab rat? Aren't you afraid you might have made a mistake while brewing it and turned it into poison, then poisoned me to death?"
"Didn't you say you had an immortal body? You'll definitely be fine."
"Yes, I'll be fine, but this stuff wouldn't have any effect on me anyway," Chen said.
"Then it looks like we can only find someone else. I wonder who would be a good test subject." Akako Koizumi looked troubled.
"I do have someone in mind." Chen suddenly thought of Conan.
That guy had protagonist luck. Feeding him a little of it should be fine, right?
"Who?" Akako Koizumi asked curiously.
"Just give me the potion." Chen took the vial from Akako Koizumi.
"Hey, don't get anyone killed. If someone dies from a potion I brewed, I'd be embarrassed," Akako Koizumi warned Chen.
"The guy I'm using as a test subject probably won't die. That kid's got a tough life. Even poison probably wouldn't do much to him," Chen told Akako Koizumi. After all, Conan was the protagonist. He probably could not die.
"Strange. I feel like someone's following us. Hattori, do you feel it too?"
At night, Conan and Heiji Hattori walked down a dark street.
Since Heiji