Host and System.

1 World Number 5 - Last World. 

2 Small Trouble 1. 

3 Small Trouble 2. 

4 Target Appear - William Astoria. 

5 Cool Or Hot? 

6 A peaceful day? 

7 Unlock Features. 

8 The Victory? 

9 Clear Doubts. 

10 Interest Never Felt. 

11 A Troublesome Day. 

12 The Heroine Is In Trouble. 

13 Incident At The Shopping Center. 

14 Winter Comes. 

15 All Missions. 

16 Mystery At 03:00am. 

17 A Perfect Plan. 

18 Warm Night. 

19 Final Privilege. 

20 The Game Officially Begins. 

21 New System - LX6377. 

22 First Exam. 

23 Memorable Day Off. 

24 Winter Come. 

25 5 Days Countdown. 

26 Trouble Again... 

27 Jealous? 

28 The 4th Time Traveler?! 

29 Each Person Has Their Own Suffering. 

30 New Member. 

31 Snow and Blood. 

32 One Body Two Souls. 

33 Calm Before The Storm. 

34 Reluctant Choice. 

35 Sports Festival. 

36 Penalty. 

37 Soft and Smooth. 

38 Gory. 

39 Family. 

40 Friends and Colleagues. 

41 "Teammate". 

42 A Day of The United Nations. 

43 Japan's Disaster. 

44 Ready. 

45 Host and System. 

46 Change. 

47 Thanks and Goodbye. 

48 Ngoại truyện. 

49 Questions and Answers. 