Nina couldn't publicly display her friendship and admiration for Taylor in public whenever their band leader, Ramon, was around. It caused no end of troubles and created friction within the band which sometimes threatened to split them apart and Nina didn't want that. She didn't want to be separated from her favorite band-mate in 'Bad Luck!' However, on a secretive girl's night out, they each had a bit too much to imbibe. With a buzzed high comes bad decisions. Nina suggested they deal the middle finger to Ramon for all his bullshit by raiding his liquor stash. She knew exactly where it was and the combination to the cabinet lock! All they had to do was sneak in after-hours and have the time of their lives. They wouldn't be making anymore bad decisions after that, right? Right?
By Earth standards probably. In universe the Age of Maturity to where they are considered adults is 16. This is just flat across the board for all species to keep things simple. There's no variation between 'countries' or this 'state law' or that 'county law.' It's just a flat 16 to keep it simple. Both characters are past this age in their world, so legally, they could drink this in universe.
Further clarification - animals, in general, tend to grow up a lot faster than humans do and end up being regarded as adults in the animal kingdom decades before humans could ever be considered adult. This slightly escalated timeline for their age of maturity is a nod to that concept over the course of their evolution to being anthro in universe.
By Earth standards probably. In universe the Age of Maturity to where they are considered adults is
