Task: Explanation
Input (English): Summer Days (サマーデイズ , Samā Deizu ) is an erotic visual novel developed by 0verflow, released on June 23, 2006 for Windows and later ported as a DVD game and for the PlayStation Portable (PSP). It is the second installation of "School Days" line of series, succeeding the visual novel of the same name and preceding "Cross Days". Unlike the previous titles, that exist in the same continuity however, "Summer Days" is a spin-off of the original story retold from the perspective of Setsuna Kiyoura, a high school student out for summer vacation who finds herself attracted to Makoto Itou, a classmate and fellow patron of a restaurant she eventually comes to work at. The game retains the anime-like presentation familiar to the franchise, requiring little interaction from users, engaging players through a nonlinear plot they are given opportunities to change, and concluding with an ending specific to the choices made during play. Question: Summer Days is an erotic visual novel developed by 0verflow, released on June 23, 2006 for Windows and later ported as a DVD game and for the PlayStation Portable (PSP), It is the second installation of "School Days" line of series, succeeding the visual novel of the same name and preceding "Cross Days", a Japanese erotic visual novel developed by 0verflow, released on which date? Answer: March 19, 2010
Output (English):  It is the second installation of School Days line of series, succeeding the visual novel of the same name and preceding Cross Days.