This book, entitled "Spindle is a Mystery", describes a gifted boy of 15 years old who graduated from the Mathematics Department of Massachusetts Institute of Technology (MIT). Maxiang Deng, during his return to Japan, experienced the life of high school students with his classmates? Events and mysteries solved by Shui Yuan Kenai.

Comics were originally intended to be launched in the form of one sentence. However, after publication, it was praised again and again, and finally it was officially serialized for a long time from the fifth word "breakthrough" in 1999.

When the reasoning is over and the puzzle is ready to be solved, the words Q.E.D will appear in the book. QED is the abbreviation of the mathematical term "quoderate exponendum", so this work often involves knowledge related to mathematics.

In addition, the cartoon was made into a real TV series in 2009, with *** 10 episodes.