[ Manga Porn Streaming ] Dark Blue 1

Based on the sexual video game by Lilim Darkness. A group of individuals go to a summer home for a holiday, completely oblivious of the dangers they would face throughout their stay. A school doctor who is accompanying them has plans to blackmail one of the ladies in the group since he has obtained a copy of her diary. Relationships are hazy, and when one of them passes away, the whole world comes crashing down. Escaped prisoners have infiltrated the area and have damaged the major bridge, making it impossible for these individuals to flee. What are they going to do now that they're confined and scared?