After being surrounded by the thread that a Terraformar with the powers of a silkworm laid out, Shokichi remembers Akita Nanao. Shokichi regrets the fact that they had to leave her body behind on Mars after they had killed her during the Bugs 2 mission. Now, he wants to get revenge. Will Shokichi be able to restart the clock that had stopped twenty years ago? Meanwhile, The No. 3 Division is within the pyramids and find something that shouldn't be there, and suddenly, a deafening sound can be heard throughout Mars.
Sorry, we've been fighting since noon 
and the medicine's already... out.
Ich muss euch enttäuschen.
Pero he estado peleando desde esta 
tarde y se me acabó el fármaco...
Pero he estado peleando desde esta 
tarde y se me ha acabado el fármaco...
Desculpa, a gente está lutando 
desde a tarde e o remédio... acabou.