Download the soundtrack bullet hell monday finale ost by Masayuki Ito
1 - Boss
2 - Boss 3
3 - Boss 5
4 - Chapter 1
5 - Chapter 2
6 - Chapter 3
7 - Chapter 4
8 - Chapter 5
9 - Chapter Boss
10 - Menu
11 - Pre Chapter 1
12 - Pre Chapter 2
13 - Pre Chapter 3
14 - True Chapter 1
15 - True Chapter 2
16 - True Chapter 3
17 - True Chapter 4
18 - True Chapter 5
19 - True Chapter Boss