Era, travel through books, have space, and have special abilities.
The male protagonist came from the apocalypse and fell in love with the female partner. After his pursuit was successful, he helped the female partner awaken her powers and became best friends with the original male and female protagonist.
The foursome united and helped each other, and became prosperous in the educated youth spot. Go to college, work, do business, seize opportunities in the new era, and contribute to national construction.
