echo 'digraph {

"Mikako Yamanobe" -> "Hotaru Yamanobe" [taillabel = "Daughter of"]
"Odaka Kousuke" -> "Hotaru Yamanobe" [taillabel = "Childhood friend of"]
"Hotaru Yamanobe" -> "Odaka Kousuke" [taillabel = "Childhood friend of"]
"Hotaru Yamanobe" -> "Mikako Yamanobe" [taillabel = "Mother of"]
}' | dot -Tsvg > output.svg