It depends. Some players might be able to finish all the stories, but it could be challenging depending on your gaming skills and the time you have to invest.
The 'Time Hollow Story' might be a fictional tale that explores the concept of time in an unusual way. It could be about a world where time has holes or gaps, and the characters have to deal with the consequences. For example, things might disappear or memories might be lost because of these time hollows. Maybe it's a mystery story where the characters are trying to figure out the cause of these time anomalies.
Since I don't really know the 'Time Hollow Story' in detail, I can't say for sure who the main characters are. It could be a young protagonist who discovers the time hollows.