echo 'digraph {

"Isuzu Aoi" -> "Suzuha Aoi" [taillabel = "Sister of"]
"Chinami Kogasaka" -> "Suzuha Aoi" [taillabel = "Best friend of"]
"You Kogasaka" -> "Chinami Kogasaka" [taillabel = "Sister of"]
"Suzuha Aoi" -> "Chinami Kogasaka" [taillabel = "Best friend of"]
"Suzuha Aoi" -> "Isuzu Aoi" [taillabel = "Older sister of"]
}' | dot -Tsvg > output.svg