Merc Storia: Mukiryoku Shounen to Bin no Naka no Shoujo

The fantasy strategy role-playing game is set in a world where humans and monsters co-exist. In the main story, a boy apprentice "Yujutsushi", with the power to heal those who clash, embarks on a journey to restore the memories of his friend Merc, a girl trapped in a bottle.
(Source: Anime News Network)