Rayen was the girlfriend of Singan. She and him were childhood friends, but upon turning into teenagers, they started dating. However, after Agafh attacked Singan, Rayen smacked him across the face. Agafh was heavily irritated by this, so, he killed her. This ignited the anger of both Singan and Agafh's family, and her death led to Singan unlocking the Negative Super Saiyan form.