Following her introduction to the class, transfer student Sei Nobeyama trips and falls into the arms of Nan Kiyosato. After school, Nan is surprised to run into her clumsy new classmate on a motorcycle. As she assists Sei with finding her way around town, Nan tries riding Sei's bike and is inspired to get a motorcycle of her own. Not long after, the two girls begin to travel together, growing closer while enjoying their newfound freedom. [Written by MAL Rewrite]