One popular bedtime story for children is 'The Three Little Pigs'. The three pigs build their houses, one of straw, one of sticks, and one of bricks. The big bad wolf tries to blow down their houses, but only the brick house stands strong. It teaches kids about hard work and the importance of building things well.
Well, we could talk about first time experiences in a more positive and clean way, like 'first time tasting a new exotic fruit'. It was really exciting. I remember the first time I tried a dragon fruit. Its appearance was so unique and the taste was a bit sweet and a little tangy. It was a whole new sensory experience.
The phrase 'black cum erupt mouth story' is really hard to decipher without any background. It might be a creative or experimental phrase from some niche genre of writing or art that I'm not familiar with. Maybe 'black' could refer to something negative or mysterious, but it's all speculation without further details.