MERC STORIA: THE APATHETIC BOY AND THE GIRL IN A BOTTLE

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) — Description from AniList community (anilist.co).