Sinful Nights

Sinful Nights traps you in an isolated household with your stepsister during an unending rainstorm. What secrets will you uncover, and perhaps unleash?

The Story

When strange occurrences begin to plague your once-peaceful home, you find yourself drawn into a web of mystery and desire alongside your stepsister, Lily.

Gameplay & Mechanics

Experience a branching narrative filled with animated CGs and choices that shape your relationship with Lily. Engage in sandbox gameplay where every action could lead to new discoveries or consequences.

Key Features

• Interactive storytelling with multiple endings
• Animated 2DCG scenes featuring Lily's transformation
• Corruption mechanics that alter Lily's appearance and behavior