Three iron fools
Because the group rolled down the stairs and traveled through time
This also teaches us: go up and down stairs, keep to the right, don't chase and run, don't fight.
Ahem, cough, seriously.
Su Bai: Mobile power bank
Ye Ning: Mobile water dispenser
Bai Susu: Midea inverter air conditioner
This is the life of three Tie Hanhan who traveled through the post-apocalyptic world with a system that can only issue tasks but has no use.
[The author has something to say: Because of the sexual transformation in the story, the author ahem (don't get me wrong, there is no new coronavirus) visited many boys in the class, and was even regarded as a pervert...]
Intention: Keep a good attitude