Megumi Shimizu

This anime anthology explores the origin and historical events of the Halo universe with both canon and non-canon stories, brought to life by some of Japan's top animation directors.

Set in the Shinigami technical school for weapon meisters, the series revolves around 3 groups of each a weapon meister and a human weapon. Trying to make the latter a "Death Scythe" and thus fit for use by the Shinigami, they must collect the souls of 99 evil humans and 1 witch. (imdb)

When a young boy on a peaceful island becomes the victim of a terrorist attack, he transforms into Xam’d, a powerful mecha capable of extreme power. Now he must discover the depth of his power and the role he plays in a world where metal and rock meet flesh, desire, and destiny. (anisearch.com)