Kunoichi Conquer System(18+)[Editing]

[Please don't read if you hate old man Mc and if it disturb you sorry, there will be no scene b/w characters that are under 18 ]
Gin a common old man who has wild fantasies but he hide it deep inside his heart cuz of responsibilities hold him. Now he died and reincarnated in Naruto world as set his journey with out limitations.