Oh No, the Saintess Has Come to Earth

Tang Yingjie, a freshman at a university, is forcibly summoned from his dormitory to another world and made into a hero.

After three years of hard work, he successfully fulfills his duty as a hero and defeats the Demon King.

So he wishes to return to Earth. Just as he's getting ready to settle into a comfortable, enjoyable modern life, a few days later the Saint who fought alongside him to defeat the Demon King suddenly appears in his dorm room, in his bed…