echo 'digraph {

"Yuuhi Mitsurugi / Yuuhi Koubuin" -> "Meiya Mitsurugi" [taillabel = "Twin Sister of"]
"Meiya Mitsurugi" -> "Yuuhi Mitsurugi / Yuuhi Koubuin" [taillabel = "Twin Sister of"]
}' | dot -Tsvg > output.svg