Merc Storia: Mukiryoku no Shounen to Bin no Naka no Shoujo
English name: Merc Storia: The Apathetic Boy and the Girl in a Bottle
Genres: Action, Adventure, Fantasy
Type: TV, Episodes: 12
Aired: Oct 11, 2018 to Dec 27, 2018
Studio: Encourage Films
Source: Game
Rating: PG-13 - Teens 13 or older
Synopsis:
Merc Storia takes places in a world where humans and monsters coexist. The protagonist, Yuu, is a healer apprentice and possesses the ability to tame monsters. In a quest to regain the memories of Merc, a girl confined in a bottle, the pair embarks on a journey.

(Source: MAL News)