echo 'digraph {

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