echo 'digraph {

"Keiichi Oyamada" -> "Kururu Hiiragi" [taillabel = "Younger Sister of"]
"Rei Suzukawa" -> "Kururu Hiiragi" [taillabel = "Enemy of"]
"Keiichi Oyamada" -> "Rei Suzukawa" [taillabel = "In love with"]
}' | dot -Tsvg > output.svg