first 50 visitors to their booth. Two months later, on February 2, 2005, the company announced that the game had been postponed again to April 28. From April 5 to April 8, 0verflow concluded their development log with comments from Soyogi Tōno, Kaname Yuzuki, Tatsuya Hirai, Yuki Matsunaga, Hikaru Isshiki and Hana Yamamoto, the respective voices of Kotonoha, Sekai, Makoto, Otome, Hikari and Setsuna. To address bugs that were later found in the game, 0verflow released a patch to bring School Days to a stable build of 1.11. On June 26, 2007, 0verflow and Lantis-net radio began to air an internet radio drama called "Radio School Days". Broadcasts finished on March 28, 2008, with 39 episodes aired. On April 21, 2011, 0verflow announced via their blog that support for School Days was being discontinued. Release School Days was ported to three other platforms. The first of these was by AiCherry, an interactive movie developer, who announced on August 20, 2007, that it had picked up the game for development, releasing it as a four disc DVD game on September 28. That same year, on August 31, Interchannel posted a link on their blog to the official website of School Days L×H, a PlayStation 2 (PS2) port in development by Guyzware, that would be edited of explicit sexual content and fanservice. The game was released on January 17, 2008 and assessed by the Computer Entertainment Rating Organization (CERO), Japan's primary video game content rating system, receiving a 15-years-or-older "C" rating for sexual themes and profanity. The third and final port was developed by PalaceGame for the PlayStation Portable (PSP). After postponing the game on May 11, it was released as four UMDs on June 30, 2010. 0verflow opened what would become the homepage for School Days HQ on May 21, 2010, a remastering of the original game initially scheduled for release in August. The site was finished June 3, and on July 16, the game was postponed to September 24. A trial was publicly released for download on August 7, and from August 20 to September 28, 0verflow promoted the game. Customers who had purchased the original School Days would be given the opportunity to upgrade to HQ for a fee until October 11, by either mailing in their game disc or visiting stores in Akihabara, Osaka or Nagoya. Distributors offered collectable phonecards for reservations, and after a second date change