Of course he does. The realization all but overwhelms her with shame and anger. Until today, their seniors—Sukayo, Mitsuharu, and Jiksumi—monitored activities inside the headquarters. Gongoro routinely monitored activity at the barricades or up on the rooftops. Machiko herself kept watch over the front entrance and the security checkpoint. So she knows Uekiya's story. So she knows that he has come to practically every Open House since the first Open House. So she is aware that he has owned the small market just Up the block for decades, that he has been robbed many times by gangers, though never on this block, and, as a result, habitually carries a gun, a compact Fichetti 500.