赵羽雫 
(23:43:27)
Kangetsu, 嘶！（哈气，扑到你身上咬你肩膀）
Kangetsu (23:41:48)
2-5-1 is usually considered as a transfer tool in a period of chord progression.
In major progressions, we use level 2 minor seventh chord, level 5 dominated chord and level 1 major or major seventh chord
