The incident with the Sirens has reached the ears of Canterlot's most (in)famous bachelor prince, along with the existence of the portal leading to somepony he thought had vanished into thin air. Time to pay a visit.

Meanwhile, Sunset Shimmer settles into her new situation as CHS.

Mane 6 tag represents the human-world alternates, minus Twilight.
Other tag includes, but is not limited to; The Dazzlings, Pony!Twilight, Human!Maud, Flash Sentry, Luna, and Fancy Pants