Takatsukasa Rideru got into a big fight with Hazama Kuu, her childhood friend and secret crush, causing Kuu to run away to work at nearby town. Wishing to reconcile and confess her feelings, Rideru followed him and was employed by the owner of the restaurant where Kuu works, Sawagoe Tomaru. Here, she also met her co-worker, Rin, the owner's daughter, Rika, and a frequent customer, Sayura. However, Kuu still hasn’t opened up to her and has his eyes on the other girls.
Will Rideru ever succeeded with this childhood friend of her?
The heroine of the story and a daughter of Arisu Takatsukasa. Rideru has crush on Kuu since childhood but due to a misunderstanding, result in a fight and Kuu ran away to work at Summer Radish Restaurant. In order to win back his heart, Rideru decided to work there too.