Games like 女王蟻のPerfume エピソード０-切り裂きジャックの狂愛-/Queen Ant Perfume Episode0-The Mad Love of Jack the Ripper-

A visual novel game set in “London at the end of the 19th century” and “modern Tokyo”. The game depicts a love episode between you and a male suspect that “Watson-kun,” the assistant of a famous detective (you), witnesses while investigating a threatening letter sent by Jack the Ripper.