It could be that he wanted to keep the book safe and thought your bag was a good hiding place for a short while. For example, if he was about to go into a situation where he couldn't carry the book easily, like a sports activity.
There's also a chance that he was playing a prank on you, thinking it would be funny to see your reaction when you found an unexpected book in your bag.
It could simply mean to place a book inside your bag. Maybe you are tidying up or getting ready to take the book with you.
One reason could be that you had some sort of physical problem. Maybe you had a minor injury that made it difficult to get to the toilet in time.
One reason could be a physical illness. For example, if someone has a severe urinary tract infection that affects their ability to control their bladder, they might be put back in diapers.
Perhaps the mom is trying to teach him about gender equality. By putting him in dresses, she's showing that clothing doesn't have a gender and that he should be open - minded about different ways of dressing. She might be influenced by modern ideas of breaking down gender barriers in all aspects of life including fashion.
One possible reason could be that he's being held captive by an enemy who sees him as a threat. Maybe a powerful villain has managed to overpower Naruto and locked him in a cage to prevent him from interfering with their evil plans.
To read a novel on a mobile phone, one usually needed to convert the novel into a format supported by the mobile phone, such as TEXT, MOBIZ, JAVE, etc., and then copy the novel into the mobile phone's memory card or open it using the mobile phone's built-in reading application. If the phone supported touch screen operation, he could slide the novel on the screen to read it; if the phone did not support touch screen operation, he could open the novel on the reading comprehension device. In addition, you can also try to use mobile reading software such as Amazon, Google Play Books, Apple iBooks, etc. These software can download novels directly to the phone and support online reading, reading progress bar, taking notes, and other functions.
One possible reason could be that she wants to feel confident and attractive for herself. Sometimes, wearing something sexy can boost a woman's self - esteem.
One reason might be privacy settings. If your story settings are set to private in a way that restricts certain types of posts, that could be an issue. Also, some platforms limit the frequency of posting to stories. So if you've been posting a lot in a short time, it may not allow you to post another one right away. Another factor could be if you're having network problems. A weak or unstable connection can prevent posts from being added to your story.
She might be part of a book club or reading group that he is also in, and she is passing on the book as part of the group's sharing activity.
One possible reason could be that he's framed for a crime he didn't commit. Maybe someone powerful wants to get rid of him and plants false evidence. For example, they could make it seem like he attacked a village ally when in fact he was defending it from a hidden enemy.