Kyouka Gaikokkaku

Also known as: 強化外骨格(覚悟のススメ), 強化外骨格

("Fortified Armor Shell")

A series of super-powerful armor suits in Yamaguchi Takayuki's manga universes:

• Kakugo No Susume
• Exoskull Zero
• Kaika No Susume (spin-off)

For the general usage of 強化外骨格, see Exoskeleton.