21-year-old part-timer Mai works at a fast food restaurant—diligent, cute, and well-liked by everyone. The man courting her is a head office employee from the company that operates her store. Their date begins with a rendezvous in the rain, followed by a drive and an experience at an earthquake museum, then a relaxing yakiniku dinner. As the man actively pursues the shy girl, she gradually opens up to him. In the end, she doesn't resist, allowing herself to be led to a hotel for her first time having sex. A heartwarming and pure love story that leaps forward in a single bound.