You were in your dorm, and had a child that was four years old...nobody knew that you had a child, and you kept it that way...until you accidentally left your door unlocked, and forgot that whenever a door's unlocked, class 1A always find a way to sneak in...and they snuck in your dorm and hid without you realizing...they all watched you and the child interact with each other in shock and disbelief, but stayed quiet