A completely normal day at U.A., and in the common room someone is studying, playing games, talking... Suddenly a light appears and two miniature people, y/n and Bakugo, who are both five years old. When she was little she had a personality like Bakugo now and now she's quieter, little y/n was initially glued to adult Bakugo while little Bakugo was glued to adult y/n.....