echo 'digraph {

"Hiroshi Nakano" -> "Ayaka Usami" [taillabel = "Lover of"]
"Shuichi Shindou" -> "Hiroshi Nakano" [taillabel = "Best friend of"]
"Ayaka Usami" -> "Hiroshi Nakano" [taillabel = "Lover of"]
}' | dot -Tsvg > output.svg