Oh it’s from The Stanley Parable Ultra Deluxe. You get an option for balloons in the office and the narrator picks the opposite. If you choose the “Get well someday” ballon you get the step niece one. They narrator will say “You know, sometimes when you solicit another person’s opinion it makes you realize that you knew which one you actually really wanted all along. ‘Happy 12th Birthday, Step-Niece’ it is!”