echo 'digraph {

"Ritsu Kageyama" -> "Shigeo Kageyama" [taillabel = "Older Brother of"]
"Tenga Onigawara" -> "Shigeo Kageyama" [taillabel = "Friend of"]
"Teruki Hanazawa" -> "Shigeo Kageyama" [taillabel = "Friend of"]
}' | dot -Tsvg > output.svg