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Original Description:
 
Fascinated by Dash and AJ’s newfound relationship, Twilight took it upon herself to investigate obesity on her own. With the aid of her magic and a slew of questionable internet media regarding gaining, she began to secretly take multi-hour long sessions deep within the castle to explore the sensations of morbid obesity… well, secretly until today that is. She swore she locked that door!  
Maybe her “intruder” can take her studies to the next level and make those pounds stick on for real…