echo 'digraph {

"Kyosuke Tsutsumi" -> "Emi Izumi" [taillabel = "Former lover of"]
"Hiro Hirono" -> "Kyosuke Tsutsumi" [taillabel = "Friend of"]
"Kei Shindou" -> "Kyosuke Tsutsumi" [taillabel = "Lover of"]
"Emi Izumi" -> "Kyosuke Tsutsumi" [taillabel = "Former lover of"]
}' | dot -Tsvg > output.svg