Sakura Miyagi

Miyagi is in the same class as Daichi, but due to a illness she does not attend class very often. She is actually in the same grade and class as Daichi. Miyagi has a punk style with heart-eyed skull accessories, studded bangles, and many piercings on her ears. She is seen playing a guitar when she and Daichi first meets. Miyagi and Daichi are named the class reps for the cultural festival, and are to work out the details for their class' event. Source: Chapter 126 of Yankee-kun to Megane-chan