You think this poster of Sym-Bionic Titan is a reference to cover of first Bokurano Vol ?
for those who don't know Bokurano literally meaning "Ours" is a Manga series produced by Mohiro Kitoh and ran from 2003 to 2009 with the total off 11 Vols
the story follows 15 kids who during a summer camp after meeting a mysterious man named kokopelli agree too pilot a giant robot whom they name "Zearth" to fight enemies who appear on earth but soon they uncover a dark secret about Zearth and robots an anime adaption off the series was released in 2007 which you can download right here: https://web.telegram.org/k/#@Bokurano
I'll don't say much Anymore you can also both read this manga online in internet archive or order it from ebay or Amazon
u/National-Use-1184 — 4 days ago