Char to Amuro to Oi to: Yasuragi no Chihei e  

Grand Generation Char and Amuro, Gun-modoki, Astonaige Medoz no Method, シャアとアムロと老いと ～安らぎの地平へ～, シャアとアムロと老いと ー安らぎの地平へー

What if Char and Amuro survived, but they continue to fight in their old age?