My Best Friend and I Became Cannon Fodder Heroines

Liu Sisi and Qin Niannian are best friends who transmigrated to the interstellar era and became rare noblewomen. As they learned more about this interstellar world, they unexpectedly realized it was the setting of the space opera they had read together in their dorm room. Then it hit them: Oh my god, we’ve transmigrated into a book! And we’re both cannon-fodder supporting female characters!