Rinne no Lagrange, Buddy Complex Recommendations
Both series are mecha , and both protagonist are living a normal life until their lives are changed forever. Kyouno Madoka's life as a Jersey Club member changed when an alien named Lan asks her to pilot a robot , Watase Aoba's life turned upside down when a girl from his class saved him from a Valiancer claiming that she is from the future.
Coupling in Buddy Complex is somehow kind of similar in Rinne no Lagrange's memoria. Coupling can be done by two pilots that share the same brainwaves and an invisible bond is formed within them while the memoria in Rinne no Lagrange is