echo 'digraph {

"Erika Kurumi" -> "Tsubomi Hanasaki" [taillabel = "Best friend of"]
"Futaba Hanasaki" -> "Tsubomi Hanasaki" [taillabel = "Older Sister of"]
"Momoka Kurumi" -> "Erika Kurumi" [taillabel = "Younger Sister of"]
"Tsubomi Hanasaki" -> "Futaba Hanasaki" [taillabel = "Younger Sister of"]
}' | dot -Tsvg > output.svg