One reason could be a prank. Just like in a schoolyard or a neighborhood where kids might play a not - so - nice joke on each other. Another reason could be in a mystery or crime - related scenario. Maybe he saw something he shouldn't have, like a robbery or some illegal activity, and the wrongdoers tied and gagged him to keep him quiet.
Perhaps it's part of a prank that has gone too far. Some irresponsible people might think it's funny to play such a cruel 'joke' on her without realizing the seriousness of their actions. However, this is still a very wrong and illegal behavior.
In a mystery story, it could be that she knew some secret that someone didn't want her to tell. So they tied and gagged her near the stove to keep her quiet and perhaps as a form of intimidation.
In a very imaginative story, there could be a magical or supernatural element. A soccer girl might have unknowingly entered a forbidden area on the soccer field that is protected by some magical creatures. These creatures don't understand human ways and see her as a threat, so they tie her up and use a sock to gag her to keep her from making noise that might attract other humans.
Once upon a time, there was a boy who was playing a game of hide - and - seek in an old, abandoned house. Some naughty kids found him first and decided to play a prank. They tied his hands with an old rope they found there and gagged him with a handkerchief. But soon, they realized it was a bad idea and quickly untied him. The boy was a bit shaken but forgave them as they were just kids fooling around.
It could be that she has a very positive and carefree attitude. Maybe she's in a situation where she's being pranked in a harmless way, and she finds the whole prank setup so absurd that she can't help but laugh. For instance, if her friends set up a fake 'hostage' situation as a joke. She sees through the joke and just finds it really funny. Also, she might be someone who doesn't get easily frightened and can find humor in unexpected situations.
Maybe she's a hostage in a robbery gone wrong, and the key is to the locked door where the robbers have stashed their loot. If she can free herself, she can alert the police.
There was a boy in a magic land. He got into a bit of trouble with some magical imps. As a punishment, they tied him up with magical vines and gagged him with a flower that had a silencing spell. But the imps were not mean - they tickled him to make him laugh instead of cry. The boy soon realized it was just a silly game and when they untied him, he joined in their fun.
One possible story could be in a mystery or thriller context. Maybe the girl is a witness to a crime and the criminals tie her up and sock - gag her to keep her from screaming or alerting the police. Then, a brave hero comes along to rescue her.
In a more action - adventure context, perhaps the girl is a spy who has been captured by the enemy. The tying and gagging on tiptoes is a form of torture or interrogation technique. But she is a strong - willed character, and she uses her wits and any available resources around her to outsmart her captors and escape.
One reason could be that she is a hostage. In a thriller story, villains might gag her to prevent her from screaming for help and alerting others. For example, in a bank robbery, if the robbers take a girl hostage, they would gag her to keep her quiet during their escape.