Qiao Muen keenly discovered that the newly received gift-a small household robot was very strange. It has an active mind and is only disobedient to its master, and its actions and words do not follow the rules. They even volunteered to go on a trip together. I thought this was just an ordinary study tour. Unexpectedly, it was the beginning of a new adventure. Unknown, frightened, sacrificed... Facing danger, what is their fate? How will they choose?