echo 'digraph {

"Tsukuyo Aoba" -> "Yuzuki Aoba" [taillabel = "Older sister of"]
"Kurage Aoba" -> "Yuzuki Aoba" [taillabel = "Older sister of"]
"Yuzuki Aoba" -> "Tsukuyo Aoba" [taillabel = "Younger Sister of"]
"Kurage Aoba" -> "Tsukuyo Aoba" [taillabel = "Older sister of"]
"Yuzuki Aoba" -> "Kurage Aoba" [taillabel = "Younger Sister of"]
"Tsukuyo Aoba" -> "Kurage Aoba" [taillabel = "Younger Sister of"]
"Nyagosuke" -> "Kurage Aoba" [taillabel = "Owner of"]
}' | dot -Tsvg > output.svg