“Tomorrow uses hydro energy and it can use solar energy too…” The grandma moved towards Tomorrow. “But the two energy might not be suitable for the era. So, for the past two months, I’ve instructed the people in the engineering department to transform it into a spacecraft that can use blue crystal energy.” The grandma looked at me. I was surprised. “So, you agree to the idea of me driving it out to search for resources for you?”

“What?” Xing Ya exclaimed in surprise. “But Grandma!” Xing Ya paused and glanced at me carefully. Feeling awkward, she didn’t continue. She looked at her brother. “Brother.” She whispered into Xing Chuan’s ear.

Xing Chuan furrowed his eyebrows and looked at Xing Ya sternly. “I believe in Grandma’s d...