No. 2 is the second high demon. She's usually in the form of a tiny spider due to her powers being sealed away.
Spoiler, click to view
She regains her "true form" again after accidentally being struck by the lightning with Garin's power-up, turning No. 2 into a humanoid spider girl. The next day, she shows up at Garin and A-Rong's school disguised as a human. She has a crush on Ju-Yong.Spoiler, click to view
While living as a human, No. 2 comes to love the human world and requests to turn herself into a human permanently, which causes conflict in her demon family, since some of them support her decision and others do not. God and Villainess agree to work together and turn her into a human, and God then turns her into the fourth warrior with divine powers.Spoiler, click to view
During the final battle, she turns back into her demon form, but still sides with the other warriors and remains close friends with Garin.