Side Story: A Long Mission

"What's going on with you?"

Su Xi looked at Lin Xier strangely.

This girl had actually managed to enter the high-dimensional rule space just like her.

This space was the so-called Land of Rules. There were no restrictions on race or life here. In this place, she could take any form, become any creature, or even exist as nothing more than a rule.

Still, she was more accustomed to a human form, so she shifted from her hazy state as a rule into a human figure.

In short, this was a world that low-dimensional beings could not comprehend. Even Su Xi herself found it difficult to understand the existence of this world for the time being. For example, the entire World Tree Universe now looked like a massive canvas to her.

And she could not interfere with anything inside the canvas.

She did not understand why she had come here after merging with the rules. At the same time, her junior sister had followed her here as well.

"Mm-hm, take a guess. Hehe." Lin Xier said with a cheerful grin.

"I won't."

Lin Xier immediately stopped grinning. She pouted and huffed. "Senior Brother is so heartless. Hmph. Senior Brother is definitely playing hard to get with me. I'm not falling for Senior Brother's trap."

Su Xi: "..."

Whether from Su Xinghe's memories or Su Jiang's memories, this girl was incredibly dangerous.

When she had been his junior sister, she had dragged him away every day to practice that ridiculous dual cultivation. If Su Xinghe had not desperately wanted to increase his strength and Combine with Dao, he would never have submitted to her whims.

When she had been Joy, she had given Su Jiang hope in his despair. The price had been endless variations of play.

Because she had already