Xu Lie traveled through the dragon world with a mysterious magic potion system, and a small accident happened along the way.

The nine developmental stages of the source substance are incompatible with this universe and there is some conflict.

In order to mediate between the two parties, Xu Lie had to tell a huge lie.

"Student, please allow me to take up a moment of your time."

"I want to tell you about our beacons and saviors, the Nine Old Ones."

"Student, do you know the history before the birth of Black King Nidhogg?"

"In those ancient times, nine Old Gods appeared on our planet."

"When the planet could no longer support the old days, they left us and went into the universe."

"And the remains of the Old Ones gave rise to spirituality, gathering together to form the Black King Nidhogg."

…

The cold-faced senior brother Chu Zihang changed his usual behavior and became provocative towards everyone he met.

The passionate and outspoken Chen Motong is as quiet as a tree, and likes to hide in the dark and spy on everything;

The useless senior brother Finger stopped playing badly and suddenly became a top student.

All of this started with Xu Lie’s lies.

[Conan fanfiction + single female protagonist Shiho + half black and half white + a system that only existed at the beginning + knowing half of the original plot + daily teasing Conan for fun]

(I'm doing this for love, please don't criticize me if you don't like it)

I heard that a dump truck is a must-have for time travelers? What, I've seen it so many times? How can it turn a corner?

Well, now I am Yuya Kamiya, a native of Japan...

Yuya, do you want a wife or not? If you do... I'll go by myself! While Gin wasn't paying attention, I suddenly snatched Shirley away...

Rescue the Miyano sisters, send Gin to jail, secretly unify the Tokyo underground forces, and play with Conan...

Sorry, Uncle Maori, this sports car is mine...

Now that you're here, you might as well be a good detective.