The female pig is an orphan. She has a companion who depends on each other in modern times. But one day, this companion is getting married. The female pig seems to have returned to a lonely situation. After a dinner, she went to the school's ghost building alone.
So it traveled to ancient times.
When you meet some interesting people, there will be a battle of wits, but in the end you still learn how to love people.
How to pursue happiness.