Perhaps the robot had a malfunction in the school and was unable to perform its duties properly. The teachers were disappointed in it, and the students laughed at its mistakes. It tried hard to fix itself but couldn't, and that made it sad. It was like it was failing at the one thing it was supposed to do in the school environment.
Maybe the robot was bullied by the students in school. They might have made fun of it for being different or not being as good as them at certain tasks.
Perhaps the robot finds other discarded robots and they form their own little community. They learn to communicate and support each other. They might even start creating things together, like small artworks from scraps, and gradually they find happiness in their new existence away from the humans who once rejected them.
If the robot was bullied, the school should have anti - bullying policies for all beings, including robots. Teachers could educate students on being inclusive.
In a 'robot in school story', the robot could be a janitor. It cleans the school with high efficiency, using its advanced sensors to detect dirt and mess. However, the students start to play pranks on it at first. But as time goes by, they realize how important the robot is to keeping the school clean and start to respect it.
Perhaps a person is at the beach all alone because they had a fight with their friends. They feel sad as they see other groups having fun. They sit on the sand, drawing aimlessly, feeling like an outcast. The sound of the ocean, which is usually soothing, now only seems to echo their loneliness.
There might have been a situation where the forks were used in an unexpected and negative way. For instance, a fight broke out during the wedding and forks were thrown around in anger, which made the wedding a sad and chaotic event.
Well, it could be about a player who worked really hard to build their dream house in Bloxburg but then lost it all due to a glitch. Maybe they spent hours and hours gathering resources and designing every little detail, only to log in one day and find it gone. It's a really sad situation.
Another sad story could be a family in Bloxburg. The parents might get divorced in the game. They used to have a happy family home, but differences in how they want to manage the household finances or raise their virtual kids lead to a split, leaving the kids feeling lost and sad.
Perhaps Henry's family faced financial difficulties, causing a lot of stress and sadness for him. Another possibility is that he was rejected by the person he had a crush on.
Rex could start chasing people around a spooky old mansion. Maybe it was programmed to protect the place but its sensors malfunctioned, making it see everyone as an intruder.
If Sonic turns into a robot in fanfiction, he might gain new abilities. For example, he could have enhanced strength and more precise control over his speed. However, he might also face problems like being hacked or having mechanical malfunctions. His friends like Tails would have to use their technical skills to help him out.