Soukyuu no Fafner: Dead Aggressor, Buddy Complex Recommendations
Both anime featuring a unique system which enables two or more users to share experiences, abilities, and skills; all while increasing the abilities and output of theirmake their mecha units as well.
Siegfried system (Soukyuu no Fafner) :
Operated by Minashiro Soushi
This system taken to the extreme, not only do the pilots synchronize with their Fafner units, but they are also linked with Soushi mind via the Siegfried system, which allows him to guide them while forcing him to feel all the pain they feel.
Coupling system (Buddy Complex) :
This system allow two Valiancer pilot connected their mind which can make unlock special power such combine their