Bex or Y is a story which takes place in the universe which stars Bex Pop, though in this story she is mostly absent from it. Bex or Y shows the youngest of her 3 older brothers, Ken Pop, at 5 years old receiving the news that he's about to become a big brother. He and his brothers get excited over the news in hoping it's a younger brother. Though when the news strikes it's going to be a younger sister, it takes Ken time to get used to the change; where he takes the responibily to be a close and supportive older brother.