What kind of existence is Wada Akiko? Why are so many people "afraid" of her?

A veteran character. .

After watching a program, it seems that I can call Saury and Shimada Isuke by their first names. The seniority is there.

I like to play mahjong

The first time I knew Sister Wada was when I watched Arashi’s Sumo a few years ago

I was really shocked at the various "Legends of Akiko" in it

Later I listened to Da Zhong and fell in love with her voice