High School Debut features story and art by Kazune Kawahara.

Even as the two of them grow closer as a couple, insecurities surface when incoming freshmen at the school are interested in both Yoh and Haruna... Haruna wants to be a strong girlfriend, but a series of misunderstandings puts Yoh in a difficult spot! What sort of shocking solution will he come up with?

Collects volumes 7-9 in an omnibus format.