Highschool teacher Saeki Nao is secretly a hardcore otaku who loves yuri manga. One day, at a doujinshi convention they participate in, Nao is eager to convey her feelings to "Nyapoleon", an artist she worships.

However, it turned out to be a girl from her school, Kurumizawa Haruka, and moreover, she had to help her. After the event, they decided to go out for a meal, at Haruka's suggestion.... When she wakes up in the morning, there is Haruka in the bed...?!

Note: The first two chapters correspond to the two-part one-shot serialised from June 26, 2020 to July 3, 2020.