It's not inherently a bad idea. Success often depends on how effectively you market it and whether it resonates with readers. Also, the genre and theme of the story can play a role.
Sure. I had a day where everything seemed to go wrong. I woke up with a sore throat. Then, as I was making breakfast, I burned the toast. I was already running late for an appointment. When I got outside, it started to pour rain and I didn't have an umbrella. I got drenched on my way to the appointment. Once there, I found out it had been cancelled and no one had informed me. It was just one of those days.
I'm not sure specifically as I haven't read it. But generally, a visual novel might be about the story of a 'bad son', which could involve his misdeeds, his relationships within the family, or his journey to redemption perhaps.
I'm not sure specifically as there could be many stories named 'the son short story'. It might be about a son's journey, his relationship with his family, or his personal growth.
One day, I woke up late. I spilled coffee on my new shirt while rushing. Then, I missed the bus and had to wait for the next one in the cold. At work, I got scolded for a small mistake. It was really a bad day.
In a small town, a boy named Jack met an older guy at the arcade. This older guy smoked and used bad language all the time. Jack, who was impressionable, started to imitate him. He began to smoke in secret, and his attitude towards others became rude. His friends noticed the change and gradually distanced themselves from him. Jack realized too late that he had been under a very bad influence.
It could be about a complex or perhaps a bittersweet love story. Maybe 'big bad' is used to describe a challenging or unconventional aspect of the love, like a difficult situation the lovers face.