echo 'digraph {

"Yuu Sonoda" -> "Haruka Takayama" [taillabel = "Girlfriend of"]
"Mitsuki Sonoda" -> "Yuu Sonoda" [taillabel = "Younger Sister of"]
"Haruka Takayama" -> "Yuu Sonoda" [taillabel = "Girlfriend of"]
}' | dot -Tsvg > output.svg