Chijou 100-KaiChijou 100-kai; 100 Floor Tower ~0.0001% Escape Probability~; 100 Storey Tower; Chijou 100-kai ~Dasshutsu Kakuritsu 0.0001%~; Chijou Hyakkai; 地上100階; 地上100階〜脱出確率0.0001%〜; 지상 100층; One Hundred Storey Tower; 100 tầng trên mặt đất ~ Xác suất thoát 0,0001%

People called “challengers” are gambling their life trying to escape from The 100 Story Tower to win 10 billion yen. But what will happen when Tatsuki Kuroumi awakes at this tower without remembering anything about his prior life, including entering the tower as challenger?