Honkai: Star Rail Crossover: Cat Cake's Journey to Another World

Tianyu is a Cat Cake, only three months old, and endlessly curious about all the delicious food in the outside world. One day, while wandering around the space station, Tianyu meets Sunflower, a System that has just retired. Tianyu listens to Sunflower talk about its experiences in other worlds, and hears that it plans to kick off its retirement by taking a trip to another world. Tianyu immediately begs Sunflower to take it along. Seeing how adorable Tianyu is, and wanting a travel companion, Sunflower happily agrees! Who would have thought that once they arrive in another world, they would end up on a path of redemption? Along the way, they also make friends and discover plenty of delicious food.