|Developer||Squadra D & Sage|
|Publishers||Squadra D & Sage|
Future with electronic core and idyllic facade. Artificial life named "Metafima" is created. They start to help humans with various home duties. Main character does not trust metafima at first, but seeing their cuteness and obedience, he starts to value them. It gradually grows into master-slave relationship.
|2003-05-09||18+||Prisoner - Chris Trial Edition|
|2003-05-16||18+||Prisoner - Suzune Trial Edition|
|2003-05-23||18+||Prisoner - Mafuyu Trial Edition|
|2005-06-24||18+||Prisoner - Low Price Edition|
|2005-06-24||18+||Prisoner - Download Edition|