Volume 1 Introduction: One day, Mari, a first-year high school student, bumps into her brother's friend Asahi, a popular senior at her school, in the bathroom of her house! Ever since then, Mari has been getting pestered by him at home and at school, but.... Since then, Mari has been messed around with by her senpai at home and at school, but... Her days with the sweet, flirtatious, and slightly sexy Asahi Senpai are even more intense than she expected... and she's already had a major change! Th...
