Friskriel

Frisriel is a romantic ship between Frisk and Asriel in the Undertale fandom.

Canon
In the Pacifist ending Frisk and Asriel hug.

When Asriel asks why Frisk claimed the Mountain in Pacifist he says was it fate.

He says Frisks the friend he wishes he always had.

They both have striped shirts.

Asriel talks to Frisk around flowers in the pacifist route.

Frisk is the last one too see Asriel.