A justice-driven undercover hero takes on a lewd criminal organization! Will he accomplish his mission, or be broken into a submissive plaything?

The protagonist, who has arrived from overseas, is secretly the masked vigilante known as “Tiny Justice.” He infiltrates the underground group “Shikordan” as a low-ranking recruit. However, rising through the ranks requires carrying out degrading tasks and building up a “contribution score”! Can his sense of justice withstand the relentless pleasure training, or will he be reshaped into a pleasure-addicted pawn?