echo 'digraph {

"Sunako Kirishiki" -> "Seishin Muroi" [taillabel = "Companion of"]
"Toshio Ozaki" -> "Seishin Muroi" [taillabel = "Best friend of"]
"Seishin Muroi" -> "Sunako Kirishiki" [taillabel = "Friend of"]
"Seishin Muroi" -> "Toshio Ozaki" [taillabel = "Best friend of"]
}' | dot -Tsvg > output.svg