In a not so distant future it's become a fashion boom to attach ears. This spring, after having become a high school student, Midorino Nono has finally convinced her parents to let her have her sought after Attached ears debut♪ However, a powerful unique effect happens~ A huge disaster! When she has rabbit ears attached, she gets taken over by their sexual desire and becomes very ecchi!? Mikan of the ear attaching shop, and Nono's desired Neon-chan who is also Mikan's childhood friend get caught up in this, and the curtain on Nono's crazy attached ear life is raised!!