You forget about it

If you are right about what she is doing, you have no intention of risking your life to take a peek. Your sister may be annoying, but she has never been cruel; if she finds you peeked on her, that might change.

You get to your room and start planning the rest of the day. You do not have a lot of homework and you are feeling pretty energetic. You could turn on your console and forget about the rest of the world for a few hours, or you could try to invite a friend anyway and see if you can sneak them past your sister, or you could go somewhere fun.

There is this new gaming cafe that opened recently nearby, open to all sizes as everything in Lemuel city, but lilliputians were by far the biggest demographics in gaming, so that is their main clientele. You could also go to that new fancy cafe from across the street, maybe you could get a job there and make a little bit of money for yourself, there are a fair few games you want to buy.