echo 'digraph {

"Taishi Ichimiya" -> "Touko Ichimiya" [taillabel = "Younger Sister of"]
"Touko Ichimiya" -> "Taishi Ichimiya" [taillabel = "Older Brother of"]
"Megumi Chihaya" -> "Taishi Ichimiya" [taillabel = "Boyfriend of"]
}' | dot -Tsvg > output.svg