User blog comment:Mangetsu20/The Hollow Victory and The Cursed Boy (FTC 435,436 - Victory Shout, Memoirs)/@comment-30807545-20150520123355/@comment-4326112-20150520181119

I wouldn't put it past him. I mean, judging by how Kubo's done some things, it isn't impossible for Authors to browse through Fan Wikis to get ideas for them to progress the story. Who knows?