"She's an angel." Tsukino Itsuki mutters this upon seeing Sakaki Seika, who sits next to her, on the first day of school. This embarrassing whisper from Itsuki becomes the catalyst for their relationship, yet instead of growing closer, they maintain a distance that feels like they might get closer but never do. Seika, a genius with both beauty and talent, is the complete opposite of the ordinary Itsuki. Despite understanding that Seika is from another world, Itsuki cannot suppress her attraction. This is a story about girls facing the budding love in their hearts and the complexes they keep hidden.