Sumire Nitta never had lofty ambitions. In fact, much of her daily routine is the picture of normalcy. She takes the train each morning with her childhood friend-turned-boyfriend, Takumi Ezaki, diligently completes her work, and always returns home before dark—no worse for wear. If anything, her sole ambition is to live a quiet, peaceful life with her sweetheart. However, there's one person standing in her way: Sasaki. There's a sinister glint in his eye whenever he looks at her, almost like he's planning something... something that will soon turn Sumire's entire world upside down.

Will Sumire be able to escape his fanatical clutches and reclaim her ordinary life, or will she fall prey to his obsessions and spend the rest of her life as his prisoner?

Follow the story of Sumire in this stunning visual novel. Read through this nerve-racking story and navigate the mysteries behind Sasaki. You'll have all the usual visual novel controls at your disposal, from saving whenever you need a break to skipping text, to a log that lets you look back at previous dialogue and narration.