Comet Lucifer (2015)

On the planet Gift there are precious crystals called Giftjium buried in the earth. A young man named Sougo Amagi lives in Garden Indigo, a prosperous mining town. Sougo, whose hobby is collecting rare crystals, one day becomes involved in a dispute between classmates Kaon, Roman and Otto. He wanders deep into the ruins of a mine and discovers an underground lake. There, he meets a mysterious girl named Felia with blue hair and red eyes. Who is this girl, and what will their meeting bring?

Released Oct. 4, 2015 288 min Episode 24 min 17+

Genres: Action, Adventure, Animation, Anime, Anime: Mecha, Fantasy, Science Fiction

Keywords: tmdb.mecha, tmdb.anime, tmdb.piloted-robot, tmdb.mysterious-girl, imdb.original-anime, imdb.researcher, imdb.robot-sci-fi + 8 more, imdb.robots, imdb.crystals, imdb.anime-animation, imdb.mecha, imdb.dead-mother, imdb.mysterious-girl, imdb.mecha-anime-animation, imdb.male-protagonist