I have to zoom in on the 3 bottom notes by the gym
and translate the messages. How do I do that?

I suppose you could hold a mirror up to the screen and figure out what you're seeing in it, but if you don't want to go to that much trouble, here's what they say: SPOILER
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"Nowhere to turn to, Nowhere to hide; Let the books in the library Be your answer guide." "A symbol of Kanji Worn with great pride, Reflects a big secret That someone must hide." "He did what it took To make the grade, Even if it meant cheating To keep up his charade."