echo 'digraph {

"Issei Hyoudou" -> "Raynare" [taillabel = "Lover of"]
"Akeno Himejima" -> "Raynare" [taillabel = "love rival of"]
"Rias Gremory" -> "Issei Hyoudou" [taillabel = "In love with"]
"Raynare" -> "Akeno Himejima" [taillabel = "love rival of"]
}' | dot -Tsvg > output.svg