Gu Zhinan was born on January 15, 2004, and Xia Ange was born on January 15, 2003. They have the same birthday. The novel begins in 2026, when Gu Zhinan was 22 years old and his mobile phone password was 040115. In Chapter 251, Gu Zhinan celebrated his 23rd birthday and Xia Ange celebrated his 24th birthday, and Xia Ange's birth date was obtained.
