Arisu’s journey is the backbone of the show. In Season 1, he was a brilliant but aimless NEET (Not in Education, Employment, or Training) who used games to escape reality. The Borderland was, ironically, the only place he thrived.
Usagi is beside him, holding his hand. She says: "You were in a coma for a month. They said you kept whispering ‘choose no game.’" alice in borderland season 2 cracked
This was a stroke of genius. It stripped away the action to focus on a debate. Mira, representing the cynical, nihilistic desire to stay in the Borderland (a world without societal pressure), tried to convince Arisu that life in the real world was too painful to return to. Alice in Borderland Season 2: The Perfect Game