ShinoFei

Yanbu is the femslash ship between Yanfei and Kuki Shinobu from the Genshin Impact fandom.

Canon
They are both featured in the 2.7 promotional trailer titled “Hidden Dreams in the Depths” and shown in the promo art.

In Yanfei’s voice lines, it is revealed the two met when Shinobu came to study law in Liyue as an exchange student. Yanfei comments that she believes Shinobu would be a great lawyer and how she wonders about how she’s doing.

Quotes
"Shinobu? I remember her, she's the Inazuman girl that came to Liyue as an exchange student to specialize in law. When she was doing her coursework, she used to meet with me to discuss some cases, and after we were done, she'd always bow and thank me, which would always make me a little embarrassed. I always felt like she was going to make an excellent lawyer in the future. Thinking about it, Inazuma went into lockdown right around the time she would have graduated. I wonder how she's been doing since she went back..."

- Yanfei about Kuki Shinobu

Fanon
Yanbu is a very new ship, but since the release of Shinobu’s occupation as the Arataki Gang Deputy Leader, comparisons were drawn between the two law-abiding women. Fans enjoy their look together and the possibility of more interactions in the 2.7 update. The ship is rivaled by Yantao, the ship between Yanfei and Hu Tao.

Trivia

 * Both Kuki Shinobu and Yanfei studied at Liyue University.