Your new, though borrowed, soul was strange. It was more powerful if you were feeling a negative feeling, and you could make your previously purple eye glow bright teal. You also had tentacles on your back, though they only appeared when you were angry or the emotions powering your soul were especially strong. Sometimes you would have dreams of two skeleton brothers, one positive, the other negative. This was most likely the side effect of your borrowed soul. 

You were still coping with the death of, well, everyone from XTale. They were gone just like that. You had heard whispers that if XGaster ever came back, there would be an assassination.  You resolved to become part of the assassination team if the time came. 

Your dad was out doing something, so you decided to go to another universe and see what was happening there. Outertale was the universe you chose, coincidentally. 

The entire time you were in Outertale, you felt strange. As if you were meeting an old friend for the first time in years. Was your soul hurting? Were you sad? Should you stay here? Should you leave? Hell if you knew. You walked around a wall and saw who you now knew was Nightmare, with...Chara...? It was your Chara, the one you knew well. 

You chose to not get involved, watching from the sidelines as the fight over XGaster's soul vial commenced. Chara wasn't supposed to lose here, but he did. Ink destroyed the vial and freed XGaster. 

"All my efforts were for nothing. I'm supposed to never lose. It's not fair...IT'S NOT FAIR!" Chara sobbed as he glitched and disappeared. You wiped the tears from your eyes, preparing to use the soul you barely had a grip on to fight for Chara. He didn't deserve this, no one did.

~

You had somehow managed to get XGaster to bring back the world, at one cost. Everyone except for Chara was overwritten. You tried so much to get Frisk to even remember who you were, the times you had shared together, anything at all. But he remembered nothing. He didn't even know who you were. 

"Frisk, please! You don't even remember me at all?" You asked sadly. He shook his head, having reverted to his shy self who preferred to keep his eyes closed and not talk if at all possible. 

* Something is residing in Frisk's soul, his determination. Suddenly, the memories are flooding back! 

"Y/n?" He asked. You nodded, smiling. 

You told him everything, how you escaped XTale, and how you would become a part of the assassination team now that XGaster was back.

"Can I join you?" Frisk asked.

"Yeah but, are you sure about this? You'd be risking your life, you know how powerful he is." You said, trying to convince Frisk not to. You'd risk your own life, but you wouldn't let him do that if you could help it. Maybe you're being too overprotective. Probably. Back down a bit. 

"I'm going to join you." Frisk said. His unfazed determination was so admirable to you. Now, all you have to do is solve the conflicts of the multiverse and kill XGaster. Should be simple, right?