echo 'digraph {

"Akari Akaza" -> "Akane Akaza" [taillabel = "Older Sister of"]
"Akari Akaza" -> "Akane Akaza" [taillabel = "In love with"]
"Akane Akaza" -> "Akari Akaza" [taillabel = "Younger Sister of"]
}' | dot -Tsvg > output.svg