Future Trunks has a lot of stories to share in "Dragon Ball Super" episode 51, but the most heartbreaking of which is how he met Mai.

It looks like the upcoming "Dragon Ball Super" episode, titled "Missing Mai Across Time," will scale down on the battles and focus more on the emotional troubles that Future Trunks is facing since the Black Goku mayhem began.

This is why "Dragon Ball Super" episode 51 will put the spotlight on Future Trunks and Mai's relationship. According to the preview by Weekly Jump, Future Trunks will tell the story of how he met the love of his life.

As what has been revealed before, Mai, even though she already met her demise, will be a key player in the Future Trunks arc. This "Dragon Ball Super" episode is expected to highlight that.

While he will be gushing about the woman of his dreams in this "Dragon Ball Super" episode, he will also recall the battles he had with the monster that took Mai away from him – Black Goku.

Future Trunks will share stories about his nasty history with Black Goku in "Dragon Ball Super" episode 51. Fans should be able to learn more about Black Goku here.

Viewers can expect details on how long Black Goku's rivalry with Future Trunks have been going on and how it started in the first place.

Stories on the destroyed worlds and why Black Goku engineers destruction might also be spin in "Dragon Ball Super" episode 51, which is a good way to learn more about who Goku's evil double really is.

This will also be an effective set up for "Dragon Ball Super" episode 53, which will fully flesh out Black Goku and reveal who he really is and his motivation for annihilating universes.

Going back to "Dragon Ball Super" episode 51, fans will see Goku and the gang prepare to travel to the future as one of their efforts to stop Black Goku's reign.

"Dragon Ball Super" episode 51 "Missing Mai Across Time" airs Sunday, July 10 at 9:30 a.m. Japan Time on Fuji TV.