都市伝説の謎を追うアドベンチャー3部作の第1部。 1999年末、御茶ノ水電子製作所の名を知らしめたアドベンチャーゲーム。
3 copies of adventure part I to which the mystery of a city tradition is followed. The adventure game which made the name of 1999 end of the year and an Ochanomizu electronic factory know.