 It adapts all the chapters of the manga except for "9th Period - "Rain"", "12th Period - "Fairytale"", "17th Period - "Nodding Off"", and "Supplementary Lesson - "Today in Tennis Club"".However, it includes an arc not included in the manga in its second episode entitled ""5th Period 'Invitation'"".The OVAs span four episodes, released in four different DVDs entitled and were released from March 24, 2006 to and March 21, 2007.