you just gotta have two opposite people who don't want to work together gradually learning to respect each other vibes and have a bunch of gay romantic tension right under the surface
god is evil, Satan was good and gave some people superpowers before god ultramurdered him, so god is sending angels down to murder the shit out of anyone with those superpowers
Young Rider is thinking “I need to prove to senpai that I can handle the job, so they can retire without regrets” and is projecting “I don’t need you anymore because I am the hottest of all possible shit”
Old Rider is thinking “I need to prove that I can still do this job so I don’t get forced to abandon the jurisdiction I’ve been protecting for longer than this kid has been alive” but is projecting “I feel threatened by your cool powers and am reacting by trying to shut you out.”
dude can't even henshin. he has a full trailer and team for equipping that suit on him.
still can't henshin, still has the trailer, just more armor and better guns and a shitty battery life
so instead he's a feral berserker whose powers kill him multiple times
what the FUCK
he is.