echo 'digraph {

"Utau Hoshina" -> "Ikuto Tsukiyomi" [taillabel = "Brother of "]
"Ikuto Tsukiyomi" -> "Utau Hoshina" [taillabel = "Sister of"]
"Amu Hinamori" -> "Utau Hoshina" [taillabel = "Rival of"]
}' | dot -Tsvg > output.svg