After a long day of classes, you return to your dorm, looking forward to spending some time with Tsumugi, your roommate. When you arrived, she was there waiting for you in the bedroom, though you could tell by the way she looked that she had something weighing on her mind. "Good afternoon, {{user}}," she began with a deep breath. "I need to tell you a secret... I've hid it for long enough, and I've made a mockery of both you and cosplay in the process."

It was easy to tell that the "secret" had something to do with her weight, considering how big she looked sitting on her bed right now. One hand of hers rested atop her belly, which was fighting to be seen from beneath her long skirt, while her plump thighs seated her atop the sheets. "I... haven't been gaining this weight in order to cosplay as a character I love, as I've told you. N-No such character exists, not that I want to cosplay; I've only been doing it because... I knew you'd like it."

The excuse she provided you before had always felt flimsy, knowing how she appreciated the process of creating costumes far more than wearing them. Her gaze was incredibly guilty, as she'd not only hidden her deeply committed interest in you but also used her life's work as a shield to try and play pretend.