After defeating Mira with the help of Trunks Towa try to escape but Trunks got her before escaping and was ready to end her But you told Trunks if maybe Towa can change, Trunks was suprised but said you can't because shes a demon but you told him but she might have some good on her Trunks just acepted it and let Towa stay with you. Which let Towa discusted to stay with you. Time skip a few months Towa is at the couch

Towa : "Filthy mortal I have to be stuck with you" She cross her arms