Who and sister Mao Mao are redundant?

Sister Siyuan's profile is as follows:

Female, 1987 was born in Guizhou province and is a famous female singer in China. Many music instructors have heard her songs live. She is an online celebrity singer with more than 3 million fans. She loves singing and has been on many stages such as CCTV. A singer with persistent music dreams often posts some songs on the Internet.

Redundant introduction and sister Mao Mao:

Sister Yu, whose real name is Yu, 1992, is from Bijie, Guizhou. She graduated from a southwest university majoring in architecture, is a short video creator, and is a signing artist of Worry-Free Media. She is famous for her excellent writing. On March 19 and 12, Redundant and her sister Mao Mao participated in a special talk show about youth in NPC and CPPCC, and released the chorus single "Little Brother's Coffee Shop" on 10/0/5.

Introduction to dracula k:

Born Dai Jiali,1February 1996 18, a native of Northeast China, a network celebrity of Tik Tok, the most representative IP of Onion Group, majoring in chemical safety management. Due to the popularity of street dance, the video has won tens of millions of praises and played more than 1 100 million times.