echo 'digraph {

"Daisuke Aoki" -> "Rin Kokonoe" [taillabel = "In love with"]
"Rin Kokonoe" -> "Daisuke Aoki" [taillabel = "Teacher of"]
"Rin Kokonoe" -> "Daisuke Aoki" [taillabel = "Teacher of"]
}' | dot -Tsvg > output.svg