Lost Aya Sophia (Import)

Screenshots:

Background:
You are Yuuji Oguma, a 3rd year student in a religious school. Yuuji lives at the school because his parents are overseas. The story starts when Yuuji starts having dreams about 'somebody' surrounded by fire, and he begins to think that maybe his dreams are actually messages. Then Yuuji encounters a girl named Mary who gives Yuuji a strange message, saying that the Devil has taken his soul. Mary ends up enrolling at Yuuji's school, and they begin solving a mystery involving a devil's seal.

Gameplay:
The gameplay involves interactive conversations with multiple characters, each conversation can result in a different ending. As you play, your "personality" can change depending on how you respond to questions.