echo 'digraph {

"Misao Kotoshiro" -> "Madoka Makimura" [taillabel = "Best friend of"]
"Yuuta Kotoshiro" -> "Misao Kotoshiro" [taillabel = "Sister of"]
"Madoka Makimura" -> "Misao Kotoshiro" [taillabel = "Best friend of"]
}' | dot -Tsvg > output.svg