Because it's such situation.

1 CELLS AT WORK! BLACK -Main Theme-
2 Friend
3 When I suppress my emotion
4 Illegal dumping
5 Oxygen shortage
6 Cleaning shop
7 The origin of the crisis
8 Detoxification
9 When the life is long, it's ashamed and it's a lot.
10 Favor of Mr. hepatocytic
11 An erythrocyte, you!
12 The new life
13 Plunge!!
14 ED
15 I can't run away.
16 We can go finally!!
17 Gonorrhea
18 Noble war
19 Losing battle
20 Raid
21 Pride
22 Killer
23 Work!
24 Modesty
25 king of pain
26 Invasion!
27 to Work...!
28 Just one o'clock
29 this word
30 Energy drink
31 Ruined
32 Crisis
33 Because it's such situation.
34 Maintenance
35 Worried
36 Insanitary
37 oxygen...
38 Helicobacter pylori
39 Rush to a site immediately!
40 First-class battle deployment
41 Assortment
42 Gout
43 At the end of the world
44 Bloodstream recovery
45 It was believed, AA2153