Ninako is a female high school student. She has a pure and honest personality. Her classmate Daiki likes her and she knows how he feels about her, but she isn't sure how she feels about him. Ninako does feel something unusual when she is around him.  

One day, on the way home on the train, Ninako meets Ren. He attends the same high school as Ninako. Ren is popular with the female students. They spend more time together and Ninako begins to have feelings for Ren.