School Wars: Sotsugyou Sensen

Shiori has graduated and is one month from starting college—a spring break that should be freedom. Instead, an investigation descends on the school at the worst possible moment, and she is drafted back in to make sure nothing goes wrong before the spring term. To add to the frustration, most of the relationship progress from the main game has reset, with only Itsuki and Shinya still exactly where she left them.