echo 'digraph {

"Yuri Mariya" -> "Hikari Mariya " [taillabel = "Younger Sister of"]
"Hikari Mariya " -> "Yuri Mariya" [taillabel = "Older sister of"]
"Godou Kusanagi" -> "Yuri Mariya" [taillabel = "In love with"]
}' | dot -Tsvg > output.svg