19 Mar 2010
19 Mar 2010 - PC (Microsoft Windows)
28 Apr 2011 - DVD Player
03 May 2020 - OOParts
29 Jul 2011 - PlayStation Portable
Cross Days is a parallel story to School Days where the main character is second-semester male freshman: Yuuki Ashikaga.
Yuuki first met Kotonoha at the school library in the beginning of second semester, but there was no progress with their relationship. They just frequently came to the school library... One day, he sees Roka at the school library and he meets her again through his older sister, Chie, on the same night. Yuuki gradually falls in love with Roka. Roka is also attracted to Yuuki. Their love, however, doesn't go smoothly... Yuuki hears a rumor that Roka is in love with Makoto. Later he hears that Makoto is close to another girl... Yuuki decides to ask Kotonoha, Makoto's girlfriend, about it to make it clear the fact. From that day, Yuuki's eventful school life starts.