Square Enix then revealed that sales of the Saki manga have already reached the milestone of 10 million copies in circulation.
It's worth remembering that this sales figure also takes into account sales of the manga's spin-offs.
The 21st volume of the manga will be released on January 22nd; in addition to the volume, an art book will also be released.
Saki's original manga was released in 2006, and since then a total of 5 spin-offs based on the work have been released.