This is a book about an ancient prince and princess who were transported to modern times and became a pair of twins, a dragon and a phoenix. There is space. The heroine currently only has the memory of eight years old in her previous life. Slowly, the heroine will regain the memory of her previous life. As the heroine's cultivation level increases, there will be a time-traveling gate in the space. The opening of space-time trade between the two worlds led the development of modern technology in ancient times.
Feels really good