>>93421719Orochimaru isn't a good guy, he realized his desire for revenge against Konoha was only gonna get in the way of his research. an Konoha has little choice but to leave Orochimaru be because he's too immortal to kill, to crafty to imprison, and its in everyone's best interests to just let him do him ihumane experiments in peace so long as he does't kidnap anyone important