Wooyun was still stuck in the void, yet his mind was being filled with Han Seo-yoon's past, memories he wasn't privy to in the book. He watched as Seo-yoon cried herself to sleep, clutching the notebook her mother had given her before she died. She never dared to open it to read its contents, but it gave her courage nonetheless. Courage to fight on, to live through the next day, and gain the freedom she so desperately yearned for.