echo 'digraph {

"Nagisa Kashiwagi" -> "Tsubasa Tanuma" [taillabel = "Boyfriend of"]
"Tsubasa Tanuma" -> "Nagisa Kashiwagi" [taillabel = "Girlfriend of"]
"Kaguya Shinomiya" -> "Nagisa Kashiwagi" [taillabel = "Friend of"]
}' | dot -Tsvg > output.svg