It could be due to some sort of magical or supernatural event. Maybe a powerful spell was cast that made the classroom vanish into another dimension.
In a young adult novel, it could also be a scientific experiment gone wrong. Some students or a teacher might have been working on a project involving teleportation or matter - displacement, and accidentally made the entire classroom disappear. This would add an element of adventure as the characters then have to figure out how to reverse the process and get the classroom back.
It could be a young, curious student who is always getting into trouble for asking too many questions. This type of character is often the one to stumble upon clues and start the investigation.
Maybe she got lost or had an accident and couldn't find her way back.
Well, often it's related to running away from debt. If a person owes a large amount of money they can't pay back, they might choose to vanish. Some individuals might also be victims of abduction, which unfortunately is a very real and scary reason for people to go missing. And in some cases, people with dementia or other cognitive impairments can wander off and get lost, especially the elderly.
Well, in a girl missing story, she might have been a victim of human trafficking. Some criminal gangs target young girls. Or it could be due to a natural disaster. Say, if there was an earthquake or a flood, she could have been separated from her family and be missing. Mental health problems can also be a cause. If she was suffering from depression or some other mental illness, she might have wandered off without realizing.
Possible reasons in the 'Missing at 17' real story include mental health issues. A 17 - year - old struggling with depression or anxiety might decide to disappear as a way to escape their internal turmoil. Also, it could be due to a relationship gone wrong. If they had a bad breakup or were in an abusive relationship, they might run away. Additionally, it could be related to educational stress. Failing grades or pressure to perform well in school could push them to leave.
Perhaps she misplaced it at home. She could have put it in an unusual place and forgotten where. Another reason could be that it was accidentally thrown away during a clean - up.
Another possibility is that it's part of the game's design. Some visual novels have hidden or branching storylines. The missing pages might be part of a path that you haven't unlocked yet. For instance, you may need to make specific choices earlier in the game to access those pages. This encourages players to replay the game and explore different options.
Maybe it's out of print or not widely distributed. That could be why it's hard to come across.
One possible reason could be that she's on a secret mission. Maybe Ozpin sent her on a dangerous errand without telling the others to protect them. For example, he might have discovered a new threat related to Salem and needed Ruby to gather intel quietly.
Well, he could have been captured by dark wizards who were lying in wait. Maybe they had a powerful spell or device that could subdue him. Another possibility is that he got lost in some kind of magical maze or dimension that he accidentally stumbled into during the mission.