She looked up at the instrument: "Hmm, there's a slot here, the bottle of gene serum should be inserted here."
Xu Xin glanced over as well, and indeed, there was a small circular groove perfectly matching the size of the serum bottle.
He took out the serum bottle from his hand.
"It should be inserted with the bottle neck facing down." Qi Xuefei reminded.
Xu Xin immediately complied.
"Click!"
When the serum bottle was inserted, there was elastic resistance, and after a sound, it snapped into place.
Then, the top of the crystal instrument lit up with a small button-like area.
"Looks like, as long as you put your arm inside the machine and press here, the serum will be injected." Qi Xuefei mused.
"Is it really that easy to inject? Um… who wants to go first? Or… should I go first?" Wang Lei suddenly spoke from behind.
"There are at least hundreds of such serum bottles in that box." Qin Yunlong added from the back.
At some point, everyone had gathered behind him.
