Cool! It's like a mini Metal Gear.

Ah, holographic magitech targetting system, so THAT'S how tank witches use their heavy weapons, of course.

It does look a bit like REX.

Panzerkampfwagen VIB Königstiger with Porsche-designed turret.

アルデンヌの王虎

重陸戦ストライカーユニット「ティーガーII」、又の名を「ケーニッヒス・ティーガー」。1944年12月、於ガリア東部。illust/19977566←これのリメイク。

Königstiger in the Ardennes

Heavy Land Striker Unit "Tiger II", also known as the Königstiger. December 1944, in southern Gallia. A remake of post #1177051