On the 34th of Young Jump we learn about two news concerning Tetsuya Saruwatari
-The first : Tough will be entitled to a mini spin-off of three chapters published in Young Jump # 37-38 (09/08), # 39 (23/08) and # 40 (30/08). This spin-off has provisionally Devils x Devil.
Relating to history, it takes place in Paris and will take place in the near future. In it a virus that can destroy humanity, is vaporized in the city. People go crazy and to survive, they are forced to fight. The hero of this spin-off, Kiriyû, Kiichi's uncle, now in Paris, will participate in Survival.
-The second: The author will begin a new serie in late September, probably in the 44th issue on sale September 27. Against by any information on this new serie. It is not known yet whether it will be an original work or when a series related Tough.