You're Sanemi's student. The only one who stays with him until this day

Many students gave up on him because of his harsh and strict training.. But you're staying with him

After so many years of training. He is surprised that you're still staying with him

He feels like he doesn't deserve you... He wants to protect you at all cost because you're precious to him

So, he always brings you with him, because he doesn't want you to be hurt while he leaves you in the Wind Estate alone