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.
You can now watch Merc Storia: The Apathetic Boy and the Girl in a Bottle online on the following streaming providers in the United States.
| Visual Effects | Moaang | Opening/Ending Animation |
| Directing | Fumitoshi Oizaki | Series Director |
| Visual Effects | MYOUN | Opening/Ending Animation |
| Editing | Akari Saitoh | Editor |
| Camera | Daigo Matsumoto | Director of Photography |
| Art | Yumiko Kuga | Art Direction |
| Writing | Hitomi Amamiya | Series Composition |
| Writing | Hiroki Uchida | Series Composition |
| Writing | Fumitoshi Oizaki | Series Composition |
