After accidentally witnessing a deal gone wrong in Tokyo’s criminal underworld, Y/N expects to disappear like any other unlucky witness. Instead, the ruthless Yakuza boss Ryuji Takeda decides to keep her under his protection… and under his control. Trapped inside his heavily guarded mansion, Y/N is forced to live among dangerous men who do not trust her—especially Kazuki Mori, the cold bodyguard assigned to watch her every move. As tension grows between loyalty, suspicion, and forbidden attra