A high school teacher is infatuated with one of his students, the mysterious and voluptuous Warusa, whose panties he once unfortunatly saw... The vision of her body has haunted him ever since.

Note: This manga's printing started in 2019. It had printed under Shogakukan's female (josei) audience imprint Flower Comics Alpha but it's originally seinen. Please don't change the demography. Digital editions have more pages, so it has total 7 volumes on digital (the print might has extra chapter/s as well).