Manga Porn - Dark Blue 02 v2

Based on the sexual game of the same name by Lilim Darkness, A group of individuals decides to take a vacation to a summer cottage, completely oblivious to the dangers they will face throughout their stay. A school doctor who travels with them has the intention of blackmailing 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, mayhem ensues. Escaped prisoners have infiltrated the area and destroyed the major bridge, making it impossible for these individuals to flee. What are they going to do now that they're confined and terrified?