>>28348401) It's one of the proposed alternative names for the 7-character bachuba group known as Nijisanji. One of those names is highlighted on top of the image, and it's likely the one you need.
2) When I tried to find an answer, I was able to gather that "Fist" is Meruto's nickname, and she is a university student. As far as I understand, it's asking you for the way Meruto refers to Akari. It should be the bottom of the third column from the left.
