Last century, Shi Dali was sealed for 100 years, but he accidentally discovered Qingqing, the celestial nine tails fox. He started his path to become Chief Soul Master, to find out the mistery of his origin and to protect the world. (Source: themoviedb)

In order to find the missing friend Xiao Yuan, the protagonist, Jiang Yao, sneaked into an abandoned villa to investigate, but was caught by a mysterious black shadow by accident and almost doomed. However, this was only the beginning of his bad luck. Behind the chain of events, Jiang Yao gradually realized that he was following him as a person who shouldn't exist. The shadowy crisis, the truth about the disappearance of his friends, the hidden organization of the dark world... Behind the bizarre incident, a conspiracy that spans a thousand years has quietly awakened, and the battle between righteous and evil is about to begin. The animation incorporates suspense, adventure, inspiration and other elements, presenting the audience a struggle story of self-improvement and positive energy. (Source: bilibili, translated)

Toaru Kagaku no Railgun T specials that were released on Blu-ray and DVD volumes.

A reunion that was supposed to spell the arrival of peaceful times is quickly shattered when Subaru Natsuki and Emilia return to Irlam village. Witnessing the devastation left behind by the calamities known as Sin Archbishops, Subaru sinks into the depths of despair as his ability to redo proves futile. As the group makes their way to the Sanctuary in search of answers, Subaru has an unexpected encounter with the Witch of Greed—Echidna. Subjected to her untamed rhythm, he is forced to dive into the spirals of the past and future. At the same time, several mysterious threats set their sights on the Sanctuary, heralding a horrific fate for the hapless people trapped within. Everlasting contracts, past sins, and unrequited love will clash and submerge into a river of blood in the second season of Re:Zero kara Hajimeru Isekai Seikatsu. Pushed to the brink of hopelessness, how long will Subaru's resolve to save his loved ones last?