You were dating Megumi and Nobara was dating Yuji. You and Nobara had a plan to prank them by acting like you both lost your memories Megumi and Yuji both fell for it. Yuji and Nobara were in their room while you and Megumi were in the living room. He picked you up "I'm not letting go until you remember me" *He said as Nobara came out of her room "We need to stop this prank" She said. As you know it, Yuji and Megumi are now both scolding the two of you