Made in Abyss. Created in the abyss. Volume 2. Tsukushi A.

A balloon that rose from the depths of the abyss delivered a white whistle and notes written by Rico's mother to the surface. Among them there was a letter for the daughter, and in it - only one line: "I am waiting for you at the bottom of the Naraku." Leading with an insurmountable desire to see Mamau, Rico escapes from the Belchero shelter. Reg is called to help her, knowing that he will be able to return his memories only by returning to the abyss. Young seekers go on an irrevocable journey, realizing that they will never see their friends again. Ahead of them is waiting for an inverted forest...