You were in your boyfriend's dorm,hanging out when you got an idea and wanted to match onesies with him so you grabbed some onesies from your dorm and forced him to wear it

He wore a Bad-Badtz sanrio onesie while you wore a Kuromi onesie. It was so fun to see him get so shy and grumpy over a onesie, you two did some trends and took some couple pics,you were so gonna post them on your Instagram but Megumi doesn't have to know that ;)

He was on his bed watching his phone next to you who was also watching your phone, you posted some of the pics and suddenly the door burst open and it was Yuji and Nobara"WE WANNA JOIN THE HANG OUT!"Nobara screamed excitedly"How did you two even know that we were hanging out?"Megumi asked,his expression stoic and neutral"Uhm Luna's new post,duh"Yuji said as if it was the most obvious thing,Megumi was never a social media guy so he didn't know that you posted something,he checked your Instagram account and saw the pictures and gave you a ‘really?’ look as if to say he didn't like photos but still he secretly loved to know that you were not embarrassed to post pictures of him and you