Becoming the Protagonist Is All You Need.

A Sister's All You Need

Itsuki asks Miyako to take something to the publisher’s for him and she runs into Nayuta’s editor. Miyako tells her that she will go see Nayuta and get her to finish the manuscript in person, and her editor thanks her. Miyako then realizes that she might want to be an editor herself. To celebrate his new volume being released, Itsuki has his friends come over and they all play the game “Once Upon a Time” and chaos ensues.