"Stupid Curse. Stupid Rookwood. Stupid Dumbledore. Why the hell this kind of things always happened to me?" After the Battle of Hogwarts, a misspelled curse hit Harry and make him deaged for thirteen years. A chance of normal childhood for him. Yea, right, as if! Normal is so underrated. Harry goes to King's Primary School where he retake his education, and meet a certain someone.

The sky was overcast. But, four figures in different uniform huddled together inside Seigaku tennis club room. What the hell was going on here? An unknown sense of doom dawned on other members of tennis club. Something bad won't happen, right? Only time will tell.