echo 'digraph {

"Yuuta Togashi" -> "Kuzuha Togashi" [taillabel = "Younger Sister of"]
"Rikka Takanashi" -> "Yuuta Togashi" [taillabel = "Boyfriend of"]
"Kuzuha Togashi" -> "Yuuta Togashi" [taillabel = "Older Brother of"]
}' | dot -Tsvg > output.svg