Yuzu will go to great lengths for her beloved older sister, Akane, even skipping her own lessons to watch over her. Despite harsh words from Akane, Yuzu refuses to relinquish her forbidden love even for someone like Seiji, who she may care about more than she realizes. Meanwhile, on the hunt for a new couple to match, fortune smiles upon Seiji and Guri when a classmate approaches them saying she has a crush she would like paired with. The request turns complicated when the classmate, Shikimi, doesn't seem to know the name of her intended partner. While helping Shikimi find this mystery boy Seiji finds that this meek bespectacled girl is not quite what she appears to be...