I got to the point where you beat the school tournament and then are getting ready to leave the school, 2 hours and 38 minutes. Seems like there's quite a bit of other content done so I will probably play more if I find the time.
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It takes usually 4 to 5 hours for someone to clear out the first chapter (the school competition), so you are definitely an efficient kind of player (I suppose you didn't activate the game aids, by the way?).
There's a great deal of content after the school, so I can only encourage you to continue your adventure. The next chapters are quite different from the first one: in Chapter 1 you are restricted to the school, but in Chapter 2 and 3, you are going to get some travelling.