Cross Tantei Monogatari ~Motsureta Nanatsu no Labyrinth~

The player takes the role of a young 18 years old detective (Koruso Ken) aided by his partner, a young girl of 19 years old (Nishiyama Tomoko) that got a detective agency. The game features 7 different cases that takes place in different places of the city and outside the city, with different characters and suspects in each episode.

[From psxdatacenter]