It depends on how you define 'real'. If you mean based on actual events, then it might not be. But if it feels real to you in terms of emotions and experiences, then in a way, it could be.
It's tough to tell. Maybe 'Banda' is a blend of real and made-up elements. Or it could be purely a work of imagination. More details about it would help figure out if it's real or not.
I haven't actually read this specific 'piccolo and gohan lemon fanfiction', but generally, in fanfictions involving these two characters, it might explore their relationship in unique ways. It could be about their friendship evolving, or perhaps their teamwork in new and unimagined scenarios within the Dragon Ball universe.
I'm not sure specifically which 'banda real story' you're referring to. It could be about a band named Banda, in which case it might be about their formation, their music journey, the members' experiences, and how they created their unique sound.
A major theme is identity. Since she is a female version of Piccolo, she has to come to terms with who she is compared to the original Piccolo. Family also plays a role. In some fanfictions, she might be searching for her family or creating a new family of her own. Additionally, the theme of good vs. evil is common, as she battles against various villains.
I'm not that familiar with the specific 'Brian Piccolo Thanksgiving Day story'. Maybe it could be about how he spent the Thanksgiving Day with his family, sharing a big meal and giving thanks. It might also involve some special traditions he had on that day.
I'm not entirely sure which specific 'piccolo x gohan lemon fanfic' you're referring to. But generally, if it's a fan - made story, it might explore unique relationships and character developments. It could potentially show how Piccolo and Gohan interact in a different way than in the original series, perhaps delving into their friendship or a more complex emotional bond.