How to Have Fun When You're Already Invincible

Hong Yi was the kind of student adults called good. To keep that reputation, she had no time for fun or enjoyment at all. Then one day, she finally studied herself unconscious. When she opened her eyes again, she found herself in a completely unfamiliar world, with only a little tiger for company. Then she met Sanhua, a good friend who would accompany her through many worlds. Later, she met Yue Chuqing, and the four of them began a lifelong friendship that was both teacherly and companionable. The author writes whatever comes to mind, so if something doesn't make sense, just use your clever little heads to come up with a reasonable explanation. And of course, suggestions are welcome.