echo 'digraph {

"Rin Shinomiya" -> "Kaede Sajou" [taillabel = "Best friend of"]
"Wataru Sajou" -> "Kaede Sajou" [taillabel = "Younger Sister of"]
"Kaede Sajou" -> "Rin Shinomiya" [taillabel = "Best friend of"]
}' | dot -Tsvg > output.svg