This is also known as Battle Spirits Otherworldly Records Series, a compilation of Battle Spirits anime installments that takes place in the same universe but different time era.
This is the first anime to premiere on Tokyo MX and related channels on late night Thursdays.
This is the 9th TV installment of the Battle Spirits anime franchise, as well as part of the Otherworldly Records series, and the official TV broadcast containing the following 3 ONA Battle Spirits: Saga Brave (2019), Battle Spirits: Gallet's Revolution (2020), and Battle Spirits: Mirage (2021).