"Sumire is a trendy high schooler nursing a crush on her twenty-something seat neighbor, Reo Ninomiya, whom the rumor mill has dubbed "Lightning" thanks to his turbulent history. At least with Sumire, he shows flashes of a softer side, like the time he walks her home at night for her safety. Although the two have grown closer, there is a line Reo refuses to cross due to his past. But that promise won't keep him from pulling her in for fierce embraces or calling her cute to her face! Can Sumire's poor heart survive the sweet sparks of love in this developing high-speed romance?!"