[Ohiensis] Smartphone de Kirei Kirei

A seemingly quiet morning in a shared household takes an unexpected turn when a curious brother discovers hidden settings on his sister's smartphone. As he realizes the device holds more than just apps, the tension between the siblings shifts from domestic life to a much more intimate encounter. What begins with a simple request for more juice quickly escalates as the boundaries between siblings blur, leading to a much more direct and physical interaction behind closed doors.