Justice Gakuen[b], is a 2000 3D fighting video game produced by Capcom as the sequel to Rival Schools: United By Fate (1997).

The game was released on the Sega NAOMI arcade board and Dreamcast home console initially in Japan and globally in 2001.

One year has passed since the events of Rival Schools: United By Fate, and things have gone back to normal in Aoharu City.

Kurow Kirishima: a cold-hearted and ruthless ninja assassin from a mysterious group known only as the "Reverse Society" has his sight set on the Imawano family and plans to eliminate them and their allies so that he can prepare for the advancement of his own ambition to rule Japan.

Secondly, he sends both his older sister Yurika Kirishima and his loyal subordinate Momo Karuizawa into the ranks of the fighters so that the two of them can cause tension and distrust to occur between the friends.

Batsu and his friends must fight back against the evil ambition of Kurow and attempt to not let their friendship get destroyed by the conspiracy of a deadly ninja assassin.

[7][10] Chester "Chet" Barber of NextGen said of the game in an early review, "Unless you're hard-up for a new fighter, you may want to rent it before making a purchase.

"[15] Michael "Major Mike" Weigand of GamePro said in an early review, "Fighting fans looking for their next challenge should spend some time with Preject Justice.