Please Save My Earth - Vol. 21

Blurb:
Eight-year-old Rin is still tormented by his past life. As Shion, an engineer stationed on Earth's moon, he spent nine years alone after his home planet was annihilated and a deadly virus took the lives of his fellow scientists. Now, in the conclusion to the Please Save My Earth series, his plot to destroy the moon base--and all traces of his past life--reaches its dénouement. Alice begs Rin not to let his past life as Shion rule his future--and even threatens to jump off Tokyo Tower if he chooses to pursue his plot of eventually controlling the world...