Chap6: 'Phase Two – Day 4'

1 Chap1: Chatroom 401 

2 Chap2: 'Kho 7 - private' 

3 Chap3: 'Rescue D.N – Time Limit' 

4 Chap4: 'Final Code – 60s' 

5 Chap5: 'Phase Two – Day 2 và Day 3' 

6 Chap6: 'Phase Two – Day 4' 

7 Chap7: 'Phase Two – Day 5' 

8 Chap8: “Phase Three – Day 1” 

9 Chap9: “Phase Three – Day 2” 

10 Chap10: “Phase Three – Day 3” 

11 Chap11: “Phase Three – Day 4” 

12 Chap12: “Phase Three – Day 5 and 6” 

13 Chap13: “Phase Three – Day 7, – The End (P1)” 

14 Chap14: “Phase Four – The End (P2)” 

15 Chap15: “Phase Four – The End (P3 - 4)” 

16 Chap16: “Phase Four – The End (P.cuoi)” and “Final Lock – The Core (P1)” 

17 Chap17: “Final Lock – The Core (P.cuoi)” 

18 Chap18: Afterstory – Dấu vết còn lại.. and Special Chapter – Ký ức về Quế Nguyên 

19 Chap19: Thời khắc quyết định and Hát... 

20 Chap20: [Cảnh phim mở đầu đoạn kết ( Hết )] 