Masquerade Kiss

This is a Steam version of a hit visual novel game released on the mobile reader app Love 365: Find Your Story by Voltage Inc. It is a collection of romantic, richly illustrated interactive stories with the following premise:

The protagonist of Masquerade Kiss is a capable secret agent with a powerful sense of justice. She seeks to expose the nefarious deeds of "the worst man in the world," and so sneaks closer to him under an assumed alias.