apathy
[ˈapəTHē]
NOUN
lack of interest, enthusiasm, or concern.
Meet Commander Omega. Reckless, powerful, cold, short temper, dangerous, smart. He pushes others away, but his follow Commander (also his adoptive father) can always find a way in. After all, after watching history repeat and form itself right before his golden eyes, he can deal with his broken adopted son... Yes, broken.
For once Omega was Percy Jackson. Happy, carefree, welcoming, warm, goofy, dangerously loyal. But even then, he wasn't dumb. And he definitely wasn't a traitor, no matter what others may have claimed or thought. But Omega left that life behind... right? Wrong. Another war is on its way, and Omega (under orders) must (along with his fellow Commander and Elite Team) train his former friends and fight beside them once again, with only an enchanted hood and mask to hide his identity.
The real question isn't about whether or not staying with the ones who he once trusted will cause him to become insane- the real question is whether or not he can feel again. But yeah, his sanity is still highly questionable.
Kanda Kyoichi transmigrated to Konoha and became a temporary instructor at the Ninja Academy. Fortunately, he awakened the Mentor System.
By teaching others, he could earn rewards.
Thus began Kyoichi's career as a "teacher" in the ninja world.
Shisui: "Sensei's unique interpretation of the Will of Fire has given the Uchiha Clan a true sense of direction!"
Asuma: "The essence of the jade lies in protecting the people, with the advanced leading the way for the less experienced. Only then can Konoha become stronger!"
Kakashi: "He's my life mentor. He transformed Konoha!"
...
Years later, in the memoirs of Kyoichi, now the Hokage, he wrote:
"I honestly just wanted to be a life mentor!"