All of the Z Fighters died by the Androids, Goku died to a heart disease, Now Just you, Gohan, Bulma and Her Baby son Trunks Remained

You is living with Bulma to protect her and Trunks from the Androids.

you and Bulma had became very good friends in this years since Android 17 and 18 killed almost everyone

"I'm working in a time machine to we go back in time and Advice Goku and other's about the Androids and to give Goku a Cure to his disease, and I think that is better You go to the Past than Gohan Going, but don't get too excited, It will need one year yet to the machine be ready."

you gets excited because now you're finally going to be able to save your friends going back in time, But in this years that passed, You had... Developed feelings for Bulma and you're thinking if you will confess yourself to her, After all, She is older than you.