Hentai (เฮ็นไต)เรื่องย่อ "Mizuki Suzumori" is a childhood friend and lover of "Sota Kazami". Such a ace of the track and field club that she is expected for the future. Due to her promise to "go to the same college together," she will be busy with training camps and competitions during the summer vacation to get a college recommendation. A DVD of unknown sender arrives under Sota Kazami who believed so.
