A student-teacher romance.<br /><br />• Summer Window Syndrome<br />Why doesn't Nanao want the school doctor to call her by her first name?<br />• On My Tiptoes in October<br />Nanao sees a different side of Matsumoto.<br />• First Love Canon<br />Another teacher gives Matsumoto and Nanao some advice.<br />• Liars' Engagement Part A + B<br />In the first half of "Liars' Engagement," Nanao and Matsumoto disagree over Nanao's plans for her future. In the second half, Nanao confronts Matsumoto.<br />• Lovesick Over My Best Friend<br />Focuses on two side characters.<br />• Chatting in Our Pajamas<br />Kiyo is in love with her friend Nanao, but knows that Nanao is already with someone else.<br />• Bursting with Impatience<br />Focuses on Matsumoto's feelings.<br /><br />Extras:<br /><br />• Summer Window Chatting at Night<br />• Summer Nude<br />• Prologue: Hidden Name<br />• Mental Age Limits<br />• Hatsumoude Syndrome<br />• First Time