Praetorium

A girl born in a good family named Silvia had entered a university - and started to live independently. Now she fully enjoys her student life. - On one holiday, Silvia is on a car trip with her university friends. - As is often the case of novice drivers, however, they reset their - destination to a more distant city and end up being stuck in a deep fog. - While being at a loss, Silvia finds light in the fog. - Silvia desperately runs toward the light ignoring her friends' warning. - When she comes to her senses, she finds herself standing in a hallway of a mansion.​