One common theme is self - discovery. Menma often finds himself in new and strange worlds in these crossovers, and he has to figure out who he is and what his place is. For example, when he crosses into a different anime world, he might start questioning his own ninja values.
One popular 'menma uzumaki crossover fanfiction' is 'Menma in the World of Naruto Shippuden Crossovers'. It's really interesting as it shows Menma interacting with different characters from the Naruto universe in unique ways.
In these fanfictions, Naruto's character is often based on his canonical self, which is full of energy and a bit of a goofball at times. Menma, on the other hand, may be a bit more mysterious or have a different backstory that shapes his character. But they can both have a strong sense of justice. Naruto has always fought for what he believes is right in the main series, and Menma can be written to have a similar moral compass in fanfiction. They may also both experience growth throughout the story, learning from their mistakes and becoming better ninja.
Sakura could be really interesting. She might be confused at first by Menma's presence, thinking he's some kind of impostor Naruto. But as she gets to know him, she could see his unique qualities and might even develop a friendly rivalry with him. Another interesting character could be Kakashi. He would be observing Naruto and Menma's interactions closely, maybe even giving them some special training to help them work together better.
One great 'Menma and Sakura' fanfiction is 'The Unseen Bond'. It beautifully explores the relationship between the two characters. The story takes them on an adventure where they discover hidden powers within themselves and also deepens their friendship in a very heartwarming way.
One of the main themes is love. Not just the mother - son love between Naruto and Kushina, but also how Kushina's love for Naruto can be a driving force in the story. For instance, in some fanfics, Kushina's love gives Naruto the strength to overcome great challenges. Also, the theme of sacrifice is common. Kushina sacrificed herself for Naruto, and fanfics often expand on this idea, showing how Naruto honors her sacrifice and what it means for his character development. In addition, there's often a theme of discovery, where Naruto discovers more about his mother and his own identity as an Uzumaki.
One interesting fanfiction could be about Mit Uzumaki and Naruto Uzumaki teaming up to face a new, powerful enemy that the Hidden Leaf Village has never seen before. They could combine their unique skills and family powers to protect the village.
In some fanfictions, Naruto and Menma might share similarities in their determination. They both strive for their goals with great perseverance. Naruto aims to become Hokage, and Menma also has his own strong desires in the fan - created stories. They could also have similar experiences of facing challenges and growing from them.
A 'Naruto Menma' fanfic could focus on his relationship with his family in more depth. Maybe exploring his bond with his parents and how it affects his decisions. It could show how he overcomes family - related challenges and rises to become a stronger shinobi.
Well, without having read any specific ones, generally if it involves 'sakura', it might have elements related to cherry blossoms which could symbolize beauty, transience, etc. 'Menma' might be a character with certain personality traits. And the'moan' part could potentially refer to expressions of emotions like sadness or longing in a more dramatic way, but this is all speculation without seeing the actual fanfic.