"You can gain the identity of sister, but you cannot directly gain the love and trust of your brother through this identity. You are the closest strangers. This is your starting point. Do you accept this?"
The girl slowly showed a smile. His eyes were lowered.
"I have to accept it. Otherwise, I'm afraid that person will be too lonely. This is the mission of being a spirit master, isn't it? When you hear a call like that, you can't answer it without working hard."
Intention: The call to be answered.