echo 'digraph {

"Shizu Shidou" -> "Mariya Shidou" [taillabel = "Twin Brother of"]
"Matsurika Shinouji" -> "Mariya Shidou" [taillabel = "Master of"]
"Mariya Shidou" -> "Matsurika Shinouji" [taillabel = "Servant of"]
"Rindou Shinouji" -> "Matsurika Shinouji" [taillabel = "Twin Sister of"]
"Mariya Shidou" -> "Shizu Shidou" [taillabel = "Twin Sister of"]
"Rindou Shinouji" -> "Shizu Shidou" [taillabel = "Master of"]
}' | dot -Tsvg > output.svg