echo 'digraph {

"Emi-chan" -> "Yui-chan" [taillabel = "Friend of"]
"Rio-chan" -> "Yui-chan" [taillabel = "Friend of"]
"Yui-chan" -> "Rio-chan" [taillabel = "Friend of"]
"Emi-chan" -> "Rio-chan" [taillabel = "Friend of"]
"Yui-chan" -> "Emi-chan" [taillabel = "Friend of"]
"Rio-chan" -> "Emi-chan" [taillabel = "Friend of"]
}' | dot -Tsvg > output.svg