"The affair partner is a middle school student!?"

"Please go out with me." First meeting, five years younger, teacher and student. Do you really understand all of that and still say it!? Ordinary high school student Jingu Izuki's daily life is turned upside down by a mischievous devil, Aoten Kotori. Despite Izuki already having a girlfriend, she suddenly makes an unreasonable request to date him. And on top of that, she says it's fine if he doesn't like her!? Why is she so desperate despite it being their first meeting...? Will Kotori be able to make Izuki notice her? And will Izuki be able to keep his infidelity hidden? On the day everyday life becomes extraordinary, a new romance begins!