Might as well get to the next set of hints.
#30
-The most recent entry in this series, takes place at the same time as the first game in it, but in a different place and featuring a different cast of characters.
#29
-Dragon and the Mad Dog
#28
-You must wait for a day after a rainy day to enter the other world
#27
-The "End of the World" is a literal continent spanning stone wall
#26
-Joining a military school, you become a member of the only class that does not segregate commoners and the nobility