Mobile Suit ZZ Gundam The Senility of Char

Mobile Suit ZZ Gundam: The Senility of Char (ＺＺガンダム ～老衰のシャア～,Kido Senshi ZZ Gundam: Rousui no Shaa)

Story
It takes place 49 years after Mobile Suit Gundam, in UC 0128.

Mechanics
ZiZi Gundam (aka "Silver Gundam")