which two statement best explain why the narrator used the word novelty to describe the island in the story the twenty-one Balloons

The narrator and the old man resent having to live together because of the narrator’s disease, and so the narrator decides to murder the old man. The narrator is driven mad by the sound of a heart beating beneath the floorboards, and this causes him to kill the old man.

Explanation:

well the central charater is kaneki so kaneki but in tokyo ghoul re kaneki has a new persona so i guess his new persona trying to be stronger