I would say the answer is 4. The author presents an all knowing third-person point of view by providing character details and opinions from multiple people.
This is because the narrator is talking about Ramsey from the outside, but they also know details like how tall he is, and his favorite subjects. The narrator knows a lot about Ramsey, even without actually knowing him personally.
Early American autobiographies include giving stories from individual lives as well as giving life lessons that there readers can get a understatement from.
I like the manga's "angels of death" and "demon slayer" (you probably already know demon slayer if you like manga/anime). angels of death is a good manga, though it has a lot of blood in the anime. Also, it might get a bit boring.