(You can pick what Regulus is/does to rise to fame. Changed the ending, hope it's okay!)
James had always prided himself on being a pretty patient man. After all, it came with the job. He'd also gotten good at ignoring rich snobs who think they're above him. James had a job to protect the people he was contracted to and that was it.
But, unfortunately, nothing could have ever prepared him to deal with Regulus Black. The man a year younger than him seemed to have convinced himself that he was completely invincible and did not need anyone to protect him.
Sometimes, James wondered if Regulus was purposefully getting into danger just to test him. James wanted to scream but also knew this was a favour for Sirius, and James really did not want anything to happen to Regulus if it impacted his friendship with Sirius.
Currently the two of them had gone out for a late night walk because Regulus had insisted and James couldn't exactly refuse to go with him. Everything had been completely fine until Regulus decided it would be fun to dip inside a very packed bar.
James let out a huff as he watched Regulus take and buy drinks from those who recognised him. A part of him wanted to just drag Regulus out of there but didn't want to seem like an overprotective boyfriend or something.
"We should get going soon, it's late." James muttered after an hour or so, still sticking right by Regulus's side and eyeing their surroundings. There were a group of three men by the corner that didn't seem to be in favor of looking away from Regulus. "It's not safe."