"So Berlin is very cold?" Which book is it from?

For the rest of my life, please give me more advice. The title of chapter 38 of this book is "So Berlin is very cold?" This sentence, so this sentence comes from the book "Please give me more advice for the rest of my life". For the rest of my life, please give me more advice. Published by Baihuazhou Literature and Art Publishing House on June 20 16, the author is a stonemason in Berlin. The novel is serialized in iqiyi literature.