Su Yu traveled through a parallel world and became a sixth-grade elementary school student.

At the beginning, he was selected as the object of safety education science popularization. I thought it was just a simple science popularization for children,

but I didn’t expect that after triggering the prank system, the style of the painting gradually began to deviate.

When the police pretended to be a courier to test.

"Hello, courier, can I come in and have a glass of water?"

"No problem."

Police: "Have you ever thought that I am a bad guy?"

Su Yu: "Oh, then have you ever thought that this glass of water was scooped from the toilet?"

"Puff!"

Police: "Aren't you afraid?"

Su Yu: "I was afraid at first, but I'm not afraid now."

"Why?"

"Because there are drugs in it!"