echo 'digraph {

"Shima Katase" -> "Kouta Otoyama" [taillabel = "Boyfriend of "]
"Kouta Otoyama" -> "Shima Katase" [taillabel = "Girlfriend of "]
"Arisa Glennorth" -> "Shima Katase" [taillabel = "Best friend of"]
}' | dot -Tsvg > output.svg