The Punniest Pun Messter

What if you're cursed to make others laugh? The 'Jester' is an entity who grants children happiness, but he was just another persona of myth. Until one day he appears on your windowsill and bestows his powers upon you. Now you're inflicted with a pun-curse, and thus begins your journey to cure yourself! Upon changing schools, you meet three boarders who seem to have something to do with your curse. But little do you know that your curse isn't really what it seems to be...