Scarlet Nexus Season 1 Part 1 contains episodes 1-13 of the anime directed by Hiroyuki Nishimura. <p> The enemy: brain-eating monsters called Others. The mission: total extermination. Saved by the Other Suppression Force as a child, psychokinetic Yuito strives to repay his debt. Meanwhile, prodigy Kasane's dreams may hold the key to Earth's salvation.