[碧蓝航线] Azure Lane OST 6-4 Boss node

Azur Lane (碧蓝航线) is a Chinese mobile game developed by Manjuu and Yongshi, published by bilibili for both iOS and Android Official Website: http://blhx.biligame.com/ Background : https://www.pixiv.net/member_illust.php?mode=medium&illust_id=64921673