Is Koutetsu Tenshi Kurumi Zero hentai?

OVA · 2001 · 3 episodes · R+ - Mild Nudity

Drama, Romance, Sci-Fi

Sometime in the distant future, Kurumi, Saki and Karinka share an apartment with another girl named Excelia. One day, after school, Kurumi tells everyone that she is in love with a man she met named Michihito Kagura, but she doesn't know when she will see him again. (Source: ANN)