"Bang!" It hit the ground and then rushed toward him.
"Xu Xin, save me!"
Just as she jumped down, an angry shout came from the treehouse above: "Get back up here and make sense of this blueprint for me!"
The sound of hurried footsteps came from the treehouse, and then he saw Ma Hongwei's head pop out from the window.
"I've already simplified the blueprint for you! Why are you still... Brother Xin?... You're here."
Ma Hongwei took a deep breath, forcing a smile at the corner of his mouth.
But the veins bulging on his forehead revealed his current mood.
"I don't want to learn anymore!"
Zeng Tao hid behind Xu Xin: "Xu Xin, save me, I'm just not cut out for researching weapons!"
Xu Xin glanced at her, then looked again at Ma Hongwei, who was leaning against the window, holding his forehead, understanding something.
"Let's go, I'll go check it out too."
"No—!" Zeng Tao screamed wretchedly.
Xu Xin examined the newly drawn blueprint by Ma Hongwei.
