A common theme is friendship. Dororo and Hyakkimaru's bond is often explored further in fanfics. Another theme is redemption. Since many of the characters in the original have complex pasts, fanfics may delve into how they seek redemption for their actions.
The Dororo manga has a rather complex and bittersweet ending. Dororo and Hyakkimaru's fates are intertwined in a way that leaves a lasting impression on readers.
The ending of Dororo manga is a mix of both satisfaction and a touch of bittersweetness. The characters' arcs come to a conclusion, but it leaves you thinking about the themes and the overall story for a long time.
She might try to escape. Since being tickled mercilessly can be overwhelming, the girl would likely use her limbs to push away the person tickling her or try to run away to a safe distance. Also, she could be screaming or shouting in between the laughter, asking the tickler to stop. If she is in a public place, she may also feel a bit embarrassed while still being unable to control her reaction of laughing and squirming.