Since the 'bj' in your title seems out of place and not clear in relation to the 'little sister swallows seed' part, I'll focus on the main part. It could be that the little sister swallowing the seed is a key event in a story about a family. Maybe it causes worry among her family members, and they have to figure out what to do, like whether to take her to a doctor or wait to see if it passes naturally.
I'm not sure which specific 'little sister swallows seed story' you are referring to. There could be many fictional or personal stories with this title. Maybe it's about a little sister who accidentally swallows a seed and then something interesting or educational happens as a result.
The moral could be about being careful. Since the little sister swallowed the seed by accident, it shows that we should be more cautious about what we put in our mouths.
I'm not sure specifically which 'little sister swallows seed' story you are referring to. It could be a very unique or local folktale. Maybe it's about a little sister who accidentally swallows a seed and then some magical or interesting things happen as a result.
There's really not enough information in the title 'little sister empties balls bj story' to accurately determine what the story is about. It could be part of a creative writing exercise where the words have a very unique and personal meaning to the author. It might also be a mis - named or mis - remembered story title. Without further details, we can only wonder what it could be.
If this is a non - inappropriate story, perhaps the 'trick' could be a misunderstanding. For example, the little sister might be tricked into believing she's going to a fun party but ends up at a boring family gathering. It could be about how she overcomes the disappointment and finds something positive in the situation.
She could forgive the person who tricked her and they become closer friends. For example, if it was a sibling who tricked her out of a bit of mischief, she realizes it was all in good fun and they share a laugh about it in the end.
This title sounds very inappropriate and abnormal. Swallowing milk from a man is not a normal or acceptable concept in a proper and healthy context. It may involve inappropriate or even immoral implications.