echo 'digraph {

"Kaoru Kyounosuke" -> "Yukiji Katsura" [taillabel = "Childhood friend of"]
"Hinagiku Katsura" -> "Yukiji Katsura" [taillabel = "Older sister of"]
"Hayate Ayasaki" -> "Hinagiku Katsura" [taillabel = "In love with"]
"Yukiji Katsura" -> "Hinagiku Katsura" [taillabel = "Younger Sister of"]
"Ayumu Nishizawa" -> "Hinagiku Katsura" [taillabel = "Friend of"]
"Yukiji Katsura" -> "Kaoru Kyounosuke" [taillabel = "Childhood friend of"]
}' | dot -Tsvg > output.svg