Lessons In Love (Nanako)

Anri was a boy blessed with looks, but not a lot else. Yuka has known him since they were kids, and now she's here to help him realize his dream of getting a girlfriend. He quickly becomes popular, but he seems glum. She suddenly blurts out, "Do you want to practice anything with me, in case you hook up with someone?" Hearing this, the innocent Anri transforms, showing a side that nobody ever expected...

from Renta!