Mitsuki Aya, who entered Kuromi Girls' High School, one of the best girls' schools in Japan, witnesses the most popular girl in the school, Shirayuri-sama, enthusiastically playing a fighting game in an empty classroom. Gaming is never allowed at a girls' school... Aya is firmly shut down, but she finds out that she's a gamer of the same rank and wants a match...?! Adapted from the manga series "Young Ladies Don't Play Fighting Games" (対ありでした。 ～お嬢さまは格闘ゲームなんてしない～) by Ejima Eri (江島絵理).