Ojou Kotone is a first-year high school girl who was having trouble using the ticket machine at the station, Suguru Sewa, a first-year high school boy passing by helped her out, and he surprised as she transferred to Sewa's high school. It's her first time to taking the train, her first trying curry udon, Sewa being her first friend. This is a love comedy of firsts between a young lady and a caring high school boy!