Legend of the Stars - Agartha

Remi Tachibana is a girl who loves mysterious things such as UFOs. One day, she meets Shun Kuroki, a boy who wants to be her assistant, when she is talking with Mr. Ishimori, a SF mangaka; the two SF lovers soon become friends, but then strange things start happening around Remi. Shun, who doesn't talk much about himself, also has an important secret....... A SF Romance that ponders the mysterious ruins and phenomena that remain deep in the mountains of Akita!