echo 'digraph {

"Ouga Oniyama " -> "Sakurako Oniyama " [taillabel = "Younger sister of"]
"Reiya Kiryuin " -> "Sakurako Oniyama " [taillabel = "Fiancée of"]
"Sakurako Oniyama " -> "Reiya Kiryuin " [taillabel = "Fiancé of"]
"Sakurako Oniyama " -> "Ouga Oniyama " [taillabel = "Older brother of"]
}' | dot -Tsvg > output.svg