The livestreamed "BanG Dream! 10th Anniversary Special!" announced on Friday, Feb 28th, 2025 that the BanG Dream! franchise will have a new mini-anime series that will air and stream this year. Directors Kenshirou Morii and Seiya Miyajima are returning from the BanG Dream! Girls Band Party! Pico anime and its sequels for the new 52-episode series.

Ji Miaomiao, a young woman just starting her career, is betrayed by a friend and left with a mountain of debt. While fleeing from ruthless debt collectors, she accidentally falls from a building. On the brink of death, a mysterious figure transforms her into a cat. By a twist of fate, she ends up being adopted—by none other than her own boss, Lu Chengze. Thus begins her strange and magical 100-day life... as a cat.

In a world where warriors are respected, Shi Mu's fate seems destined to be different. As the adopted son of an aristocratic family, he is forced to embark on the road of a warrior to find the truth and redeem himself. From the four halls of Fengcheng to the struggle between sects, interests are entangled, and powerful enemies lurk. Every challenge makes Shi Mu more determined. In the end, Shi Mu realizes the power of his bloodline, which not only changes his own destiny, but also affects the future of many people.

The Yellow River, Yangtze River, and Lancang River originate from the same source, and three families known as "Water Evils" (Ding, Jiang, and Yi) live along the river. What are "Water Evils"? They can move freely in the water and possess the skills of geomancy, feng shui, and treasure hunting. Yi Sa, the last Water Evil of the Yi family, runs an "underwater bank" business along the Lancang River. During a "Golden Fortress" excavation, Yi Sa encounters and saves Zong Hang. To uncover the truth of what happened and to save himself, Yi Sa trains Zong Hang to become a professional Water Evil, and together with Ding Yudie, a Water Evil from the Ding family, the three enter the "Ancestral Golden Fortress."