“Spring Break With My Sister” immerses you in a 3D visual novel adventure, stepping into the shoes of an 18-year-old on the cusp of high school graduation. Just as you’re gearing up for a carefree break, your world is rocked by your mother’s surprising announcement: her boyfriend and his daughter are moving in. At 18, you find yourself grappling with the reality of gaining a new sister amidst the excitement of spring break.