echo 'digraph {

"Mio Shirasaka" -> "Yuka Onoda" [taillabel = "Friend of"]
"Taichi Shirasaka" -> "Mio Shirasaka" [taillabel = "Older Sister"]
"Mei Shirasaka" -> "Mio Shirasaka" [taillabel = "Older Sister"]
}' | dot -Tsvg > output.svg