Serie includes 17 albums .
Equation of the Night 2 - The Night is Fragrant
The Equation Of The Immoral - CH15
Equation of the Night 5 - To Meet At Night
The Equation Of The Immoral - CH9
Equation of the Night 8 - Awakening Night
The Equation Of The Immoral - CH10
The Equation Of The Immoral - CH14
The Equation Of The Immoral - CH16
Equation of the Night 6 - Singing Night
The Equation Of The Immoral - EX CH
The Equation Of The Immoral - CH12
Equation of the Night 3 - Noisy Night
