Yu who has a relationship while being swept away by two childhood friends, Nanami and Kurumi.
The fierceness of youth humiliates the two while following their instincts, even though they think it is bad.
Nanami and Kurumi are compliant with Yu because she likes them.
However, Nanami notices a perverted situation with Yu. Nanami gradually becomes anxious about her indecisiveness while continuing to have a relationship with her walnut.
Meanwhile, Kaede, her childhood friend who was living a student life in her remote place, returns home.
Kaede was confused by the existence of Yu, who she was aware of as a man, and she decided to return to confirm her feelings.
Yu, who doesn’t notice their feelings, buried her anger in the depths of the walnuts in the store after the store closed …