The moment Bulma heard Uchiha Hiko's voice, fury blazed in her eyes.
"You're shameless. You knew perfectly well I couldn't beat you." At that moment, Bulma suddenly felt as though someone had seized her weakness, leaving her with no chance to escape. She felt utterly stifled.
Uchiha Hiko merely smiled at the speechless Bulma.
Whether she could beat him or not had nothing to do with their earlier promise. She was clearly trying to go back on her word, but he had a way to deal with that.
"If you don't want to, then I won't force you. One year, then."
Uchiha Hiko said it as though he were deeply displeased. Naturally, Bulma was overjoyed to hear it and easily slipped free from Uchiha Hiko's grasp.
"Fine, one year." Bulma looked at Uchiha Hiko like a child, wanting to take this chance to make an agreement with him. That way, even if Uchiha Hiko wanted to go back on his word, he wouldn't be able to.
"Come on, pinky swear." Bulma watched him cautiously and held out her right hand, as if saying, "Pinky swear—one hundred years, no changing your mind."
Uchiha Hiko looked at her. She was still living in her childhood, actually playing this sort of game.
Still, he followed Bulma's request and made a pinky-swear promise with her. Doing so made him feel several years younger himself.
"Get back to your research. Follow me." Geniuses were made through hard work, so he couldn't slack off either. Time to do research.
After a long period of research, Uchiha Hiko finally developed a flying car. It was a car that could fly through the sky. Of course, Bulma had made the original version, but after his improvements, it had become a car that could truly fly.
As a