Each world is an independent story, and the most indispensable part of a story is the protagonist.
Nan Wan is the protagonist of a two-way secret love story. The plot could have followed the rules, but in the end the two people showed that they were together in their hearts.
But at an ordinary class reunion, everyone returned to campus.
Then, the plot fell apart.
The campus was selected to become one of the infinite adventure worlds, and everyone was forced to start taking risks in the crisis-ridden campus.
Intention: adventure, love