Takahashi Yuuichi

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…

* Based on a sport light novel series written by Kabei Yukako and illustrated by Yamakawa Aiji. Haijima Kimichika leaves Tokyo behind and returns to his childhood home where he's reunited with an old friend, Kuroba Yuni. The two become an ace pair on the volleyball court but at the last tournament before graduation a fight causes the duo to split. Now reunited in high school…