In the second season of Xingchen Bian, Qin Yu's family believes he has died and sets out to avenge him. Meanwhile, Qin Yu and Xiao Hei are alive in a place they do not know. While they adjust to their surroundings, a talking cat hands Qin Yu a book that answers all of his questions. From it he learns of Stellar Transformation, a mysterious cultivation method that usually turns up in children's stories. With this new technique, the pair head for the Boundless Ocean to cultivate further. The road there is rough, but they pick up new allies and reach new heights. Across 12 episodes, the ONA mixes action, adventure, fantasy and romance.