Shangri-La Frontier manga volume 13 features story by Katarina and art by Ryosuke Fuji.

Kei Uomi, aka OiKatzo, is participating in a pro tournament for the AAA fighter Galaxia Heroes: Chaos. He's roped Sunraku into his team, and now they're competing hard against each other as they get to grips with this new title! Who will win this battle between friends and rivals?! And during his downtime, Sunraku's still playing Shangri-La Frontier, having an up-close and personal encounter with the “tyrant” ruling the undersea city of Ruluiath. Does a lone player like him have what it takes to topple this overlord?!