One possible plot could be that the new roommate was trying to take a picture with a horse. They got too close to the rear end of the horse while trying to frame the shot. Just as they were about to click the photo, the horse moved its butt and knocked the roommate over, creating a 'horse butt crush' situation in a sense, full of surprise and laughter.
Perhaps the new roommate was at a horse ranch for the first time. They were walking around not paying much attention and accidentally backed into a horse's butt. The horse got startled and made some funny noises, which led to an embarrassing but also somewhat comical situation for the roommate.
I'm not sure specifically what this 'new roommate horse butt crush story' is. It could be a very strange or unique story. Maybe it's about a new roommate having an odd encounter related to a horse's butt? Without more context, it's hard to say more.
I'm not sure exactly as it could be various things. Maybe it's about a furry boy's adventures and something related to his butt that has significance in that made - up world, like he has a special mark on his butt that is part of a prophecy.
Well, it could be a story about a new roommate who has an amazing muscular physique that catches someone's eye in an amorous way. Maybe the roommate is constantly working out and flaunting their muscles, which leads to some sort of romantic or sexual tension in the living situation.
Well, it could be about a shy girl who discovers she has a unique ability that causes her butt to expand in certain situations, like when she's extremely nervous or excited. And then she has to deal with the comical and sometimes embarrassing consequences of this strange phenomenon.
The plot could be a young nurse starting to work in a hospital and developing a crush on a senior doctor. She might be drawn to his intelligence and skill in treating patients.
Well, the plot might revolve around a group of ponies who enter a competition where one of the challenges accidentally causes butt expansion. They have to work together to overcome the embarrassment and continue in the competition. Say, in a talent show in Ponyville, a misfired magic trick during a performance by Fluttershy makes her and some of her friends' butts expand. They then use their unique situation to create a new act that involves their now - larger behinds and end up winning the show because of their creativity and ability to adapt.
It could be about a magical transformation where a woman is turned into a horse through a spell. Maybe she angered a witch and as a punishment, she was transformed. Then the story might follow her adventures in the form of a horse, trying to find a way to break the spell.
In the 'woman takes on horse story', it might be that the woman is on a journey and the horse is her only means of transportation. She has to take on the responsibility of taking care of the horse while also facing the perils of the journey. Along the way, she discovers new things about herself and the horse, and they become inseparable companions.
The story might revolve around a young girl who lives on a farm. The horse is her constant companion. They go on adventures around the farm, like exploring the meadows or the woods. One day, the horse gets lost and the girl has to use all her knowledge of the area and her bond with the horse to find it. This story would be about their loyalty and friendship.
It could be about a magical adventure where a hero rides the flying horse to save a kingdom from evil.