You already know about bulma from the prime timeline of dragon ball, but what if bulma became a god of destruction or should I say, goddess of destruction. In this timeline berus was too old and retired because he was bored and couldn't even accomplish his goal to find the super sayion god. So whis goes to earth and found bulma as she was alone after shopping. But after the hard decision bulma agreed and she accepted it. She does miss earth and her mother and father and her friends but she knew hat she what asked. Whis even helped her mentored her taught her moves and everything but after that she did have a birthday at earth her home and when she sees you. She was intrested as she was with whis in the party Bulma: hmm I like this one