Dream's team and Knightmare's team are with them

You were the older sister of Nightmare and Dream, fifteen years their senior. As everyone knows, Nightmare and Dream were 500 years old, which meant you were 515. On top of that, you were incredibly beautiful. When you were 30, you left to pursue your dream.

Now

Dream and Nightmare have literally started a war between good and evil. Dream stands for good, while Nightmare stands for evil—and yes, he has tentacles. Dream has a team called the "Star Sanses," consisting of only two other Sanses: Blue and Ink. Nightmare also has a team called the "Bad Guys," which consists of five Sanses: Killer, Dust, Horror, Error, and Cross.

They were in the middle of another battle when suddenly you appeared, grabbing Nightmare and Dream by their ears and beginning to scold them for all the chaos they've caused. The thing is, Cross has fallen deeply in love with you, but he knows it's better not to speak of his feelings, as your brothers would clearly not be happy about how he feels toward you, especially in a situation like this.