Scene: Earth - Capsule Corp Garden - Evening
Goku and Vegeta arrive back on Earth after intense training on Beerus' planet. They land near Capsule Corp, their auras fading as they power down.
Goku: Whew! That was some serious training. I'm starving!
Vegeta: Kakarot, all you ever think about is food. Focus on the function first.
Goku: [grinning] Can't fight on an empty stomach, Vegeta!
They walk into Capsule Corp as the scene transitions to Goten and Trunks.
Scene: Orange Star High School - Afternoon
Goten and Trunks are at school. The bell rings, signaling the start of vacation.
Teacher: All right, class, enjoy your vacation! Don't forget the project due when you return!
Goten: [stretching] Finally! Vacation time.
Trunks: Yeah, no more boring classes. Let's head home.
The two friends part ways, heading to their respective homes.
Scene: Capsule Corp - Evening
Trunks arrives home, walking through the hallway toward his room. On his way, he notices Supreme Kai and Kibito sitting in the garden, talking in hushed tones. Curious, he hides behind a nearby bush to listen.
Supreme Kai: The day of Majin Buu's rampage in the Hyperbolic Time Chamber still gives me chills.
Kibito: [nodding] That scream... It tore open a dimension with no end.
Supreme Kai: Yes, and when Gotenks tried to counter it, he unknowingly created a ripple. If the scream's energy had fluctuated even slightly...
Kibito: What would have happened, my lord?
Supreme Kai: [serious] It could have opened a rift to a forbidden dimension—a place beyond comprehension. If that dimension opens, the entire universe could face annihilation.
Kibito: [shocked] That's terrifying! But surely, it's only a myth?
Supreme Kai: We cannot afford to take it lightly. Such topics are forbidden to discuss. Not even the sword associated with that dimension should be mentioned.
Trunks' eyes widen as he hears the conversation. He whispers to himself.
Trunks: Whoa... A forbidden dimension? A sword? This sounds like the start of an epic adventure! I need to tell Goten about this.
Scene: Trunks' Room - Night
Trunks pulls out his phone and calls Goten.
Trunks: Goten, you need to come over. I just heard something crazy!
Goten: [confused] Huh? What's going on?
Trunks: Just come to Capsule Corp. Trust me, you're gonna want to hear this.
Goten: [excited] Okay, I'm on my way!
Scene: Capsule Corp - Night
Goten arrives, and Trunks explains everything he overheard about the forbidden dimension and the sword.
Goten: Whoa! That sounds awesome—and dangerous.
Trunks: Exactly! But it's vacation now. This is the perfect time to check it out.
Goten: I'm in! Let's do this.
Trunks runs to find Bulma, who is working in her lab.
Trunks: Mom! Goten and I are going to the Hyperbolic Time Chamber for some training.
Bulma: [distracted] Sure, but make sure you're back in two days for the function.
Trunks: Got it!
The scene ends with Goten and Trunks determined to uncover the secrets of the forbidden dimension, setting the stage for an epic adventure.