echo 'digraph {

"Natsume" -> "Tsubaki" [taillabel = "Brother of"]
"Azusa" -> "Tsubaki" [taillabel = "Brother of"]
"Natsume" -> "Azusa" [taillabel = "Brother of"]
"Tsubaki" -> "Azusa" [taillabel = "Brother of"]
"Tsubaki" -> "Natsume" [taillabel = "Brother of"]
"Azusa" -> "Natsume" [taillabel = "Brother of"]
}' | dot -Tsvg > output.svg