When the previous leader has an heir
When the Heir Awakens the Ten Shadows Technique
When the six-eyed look collided with the ten-shadow god
When a young cadre meets a young leader
How will this world change drastically?
The protagonist's Ten Shadows Technique is a spell, and the power is a separate one. I guess you don't mind if you give the protagonist a little hook.
CP tentatively named Dazai
Anything different from the original work will be regarded as private creation.
Ooc warning
Purpose: I hope everyone will have different happy endings