echo 'digraph {

"Makoto Aihara" -> "Black Belt Demon " [taillabel = "Heel of"]
"Black Belt Demon " -> "Makoto Aihara" [taillabel = "Face of"]
"Aigle" -> "Makoto Aihara" [taillabel = "Rival of"]
"Reiko Hinomoto " -> "Makoto Aihara" [taillabel = "Rival of"]
}' | dot -Tsvg > output.svg