echo 'digraph {

"Kazuto's Sister" -> "Kazuto Izuka" [taillabel = "brother of"]
"Narue Nanase" -> "Kazuto Izuka" [taillabel = "In love with"]
"Masaki Maruo" -> "Kazuto Izuka" [taillabel = "Friend of"]
"Kazuto Izuka" -> "Narue Nanase" [taillabel = "In love with"]
"Kanaka Nanase" -> "Narue Nanase" [taillabel = "Sister of"]
"Kazuto Izuka" -> "Masaki Maruo" [taillabel = "Friend of"]
"Kazuto Izuka" -> "Kazuto's Sister" [taillabel = "Sister of"]
}' | dot -Tsvg > output.svg