Hiromi Nazako

Hiromi is the little sister of hibi, she hates humans since what happens to them arriving on earth.
Like Hibi, when he meets Toma, she will be suspicious of him, and then little by little will begin to appreciate it.

Spoiler

When Toma comes to save Hiromi and these sisters, Hiromi immediately falls in love with Toma, but does everything so that it does not see it.