あらすじ
New high school teacher Kazutoyo Haruseto held high pride as an educator. Disruption of public morals was out of the question! However, before him, who continued to vow so in his heart, appeared a Kansai-dialect beautiful girl named Tamayo Higashiyodogawa, claiming to be his "childhood friend"! Facing her, who calls him "Kazu-nii" and tries to flirt at zero distance without hiding her affection, can Kazutoyo maintain his stance as a "straight-as-an-arrow serious teacher"...!? A teacher-student age-gap Love Comedy delivered with super High Tension begins!!