Nagisa, the most refined and serious student in school, is a good student who is very fond of me, her teacher. When she asked me, "I'd love for you to tutor me at my house," I couldn't refuse and reluctantly agreed. That weekend, when I went to Nagisa's house, she spoke to me with unusually closeness. "Shall we keep this a secret between just the two of us?" she said, tempting me by showing me the overly revealing gym uniform she was wearing under her school uniform...