Question: "Imperial" was the second story arc from Grant Morrison's run on the Marvel Comics title New X-Men, running from issues #118-126, it further explored the origin behind the character Cassandra Nova as well as giving more depth to the student body at the Xavier Institute, specifically the Stepford Cuckoos, a set of fictional mutant psychically linked what?
Sentence (from "Stepford Cuckoos"): Originally calling themselves the Five-in-One, with the deaths of Esme and Sophie the remaining sisters are now known as the Three-in-One.
Relevant evidence: No