echo 'digraph {

"Hotaru Imai" -> "Subaru Imai" [taillabel = "Older Brother of"]
"Mikan Sakura " -> "Hotaru Imai" [taillabel = "Best friend of"]
"Subaru Imai" -> "Hotaru Imai" [taillabel = "Younger Sister of"]
}' | dot -Tsvg > output.svg