echo 'digraph {

"Yui Hirasawa" -> "Nodoka Manabe" [taillabel = "Friend of"]
"Ui Hirasawa" -> "Yui Hirasawa" [taillabel = "Older sister of"]
"Ritsu Tainaka" -> "Yui Hirasawa" [taillabel = "Friend of"]
"Azusa Nakano" -> "Yui Hirasawa" [taillabel = "Friend of"]
"Tsumugi Kotobuki" -> "Yui Hirasawa" [taillabel = "Friend of"]
"Mio Akiyama" -> "Yui Hirasawa" [taillabel = "Friend of"]
"Nodoka Manabe" -> "Yui Hirasawa" [taillabel = "Friend of"]
}' | dot -Tsvg > output.svg