High School Debut

High School Debut (高校デビュー, Kōkō Debyū, also known as Koukou Debut) is a shōjo manga by Kazune Kawahara (河原 和音, Kawahara Kazune). It was serialized in Japan by Shueisha in Bessatsu Margaret from 2003 to 2008 and collected in 13 bound volumes. The series was adapted as a drama CD and as a series of six light novels written by Yuu Kuramoto. The manga is licensed in North America by Viz Media, which published English editions of all 13 volumes between January 2008 and February 2010.

Plot
Haruna Nagashima gave her all to softball in middle school, and now that she's made her high school debut she's decided to give her all for a new goal. Getting a boyfriend and falling in love!

However, she has one small problem. Since she never paid any attention to fashion or trend in middle school she has no idea how to go about attracting her yet-to-be-found love. But a chance encounter with Yoh Komiyama provides her with the opportunity she needs. If he coaches her in how to become attractive, surely she can find herself a boyfriend!