Ep 4. For My Weak Little Sister

As Miyu recovers from her injuries, Illya and her friends worry about how to protect her from enemies who seek her power. Miyu is physically and mentally fragile, so it falls on the group to guard her from those who would do her harm. Meanwhile, a new enemy lurks in the shadows, waiting for the perfect opportunity to strike. Illya and her friends must come up with a plan to defend Miyu and defeat this new threat. They must also face their own internal struggles and uncertainties, with Illya questioning her own strength and abilities. As tensions rise and the danger intensifies, the group must work together to protect their weak little sister, or risk losing her to their enemies forever. In this dramatic episode, emotions run high as the fate of Miyu and the fate of the world hang in the balance. Will Illya and her friends be able to rise to the challenge and overcome their fears, or will they fall to their enemies' cunning attacks? Tune in to find out in Fate/kaleid liner PRISMA ILLYA season 3 episode 4, "For My Weak Little Sister."