Meet the Kobayashi twins - Mitsuru and Megumu. Mitsuru has never been in love before, and Megumu lives in a world confined to 2D. An unexpected twist in their lives forces them to cross-dress and attend each other's schools. While Mitsuru encounters a cute girl in Megumu's school, Megumu meets a guy she crossed paths with earlier - but unbeknownst to her, he attends her brother's school. Will this experience lead them to find their first love and discover who they truly are? Bonus chapter: "Is the Goddess not Looking!?" found in Volume 15.