|Length||Medium (10 - 30 hours)|
|Developer||Sage & Squadra D|
|Publishers|| Sage & Squadra D|
Main characters lives with maid and an older sister and leads a normal school life. But something starts to change. His sister is approached by a shady man and shy classmates start to behave proactively. Then one morning maid brings him an anonymous letter saying "Auction". This story starts at this moment, two weeks before protagonist's birthday.
|2004-07-16||18+||Auction - First Press Limited Edition||2|
|2005-11-04||18+||Auction - Download Edition|
|2005-12-02||18+||Auction ~Cheap Edition~|