echo 'digraph {

"Ryobi" -> "Ryoki" [taillabel = "Older sister of"]
"Ryona" -> "Ryoki" [taillabel = "Older sister of"]
"Ryona" -> "Ryobi" [taillabel = "Twin Sister of"]
"Ryoki" -> "Ryobi" [taillabel = "Younger Sister of"]
"Ryoki" -> "Ryona" [taillabel = "Younger Sister of"]
"Yumi" -> "Ryona" [taillabel = "In love with"]
"Ryobi" -> "Ryona" [taillabel = "Twin sister of"]
}' | dot -Tsvg > output.svg