Most touhou ships lol (along with ones where the characters don't interact in canon at all)

MHA, Hoyo Games and any Fandom of any franchise that came out during the 2020's:

RitcherGraham said in comment #2605810:

MHA, Hoyo Games and any Fandom of any franchise that came out during the 2020's:

They're just very close friends.

While we talk about Hoyoverse games, did you know that apparently Shenhe and Yelan had never interacted with each other in canon.

Agatha_Smaragdos said in comment #2608728:

While we talk about Hoyoverse games, did you know that apparently Shenhe and Yelan had never interacted with each other in canon.

I thought it started as a joke because of their exploration passives for Liyue, so people just paired them together.