echo 'digraph {

"Nanase Kai" -> "Kikyou Miura" [taillabel = "Subordinate of"]
"Kikyou Miura" -> "Nanase Kai" [taillabel = "Superior of"]
"Iori Kai" -> "Nanase Kai" [taillabel = "Younger Sister of"]
}' | dot -Tsvg > output.svg