echo 'digraph {

"Shizuku Tsukishima" -> "Seiji Amasawa" [taillabel = "Boyfriend of"]
"Shiro Nishi" -> "Seiji Amasawa" [taillabel = "Grandson of"]
"Seiya Tsukishima" -> "Shizuku Tsukishima" [taillabel = "Daughter of"]
"Asako Tsukishima" -> "Shizuku Tsukishima" [taillabel = "Daughter of"]
"Shiho Tsukishima" -> "Shizuku Tsukishima" [taillabel = "Sister of"]
"Seiji Amasawa" -> "Shizuku Tsukishima" [taillabel = "Girlfriend of"]
"Yuko Harada" -> "Shizuku Tsukishima" [taillabel = "Best friend of"]
"Seiji Amasawa" -> "Shiro Nishi" [taillabel = "Grandfather of"]
}' | dot -Tsvg > output.svg