Yes yes we know already that the main antagonist is evil af, no need to dig it up more.
Definitely not unique, already saw horrors like this but still interesting
Guys this based on a short novel that you can read it for free and legally here! It's in Japanese ofc lol, google translate/some AI translation tool can be your friend
https://kakuyomu.jp/works/16816452220712404213
Care to give spoilers?
Do you have link?
Just lmao Japan the problem is not the MC has feeling for the girl or not, but the way the author draw a 13 y/o girl seducing an adult and expect the readers will giggling and go hnnnggggghhhhh
Nauuuuur I'm a 30 years old hag, acting like a 12 y/o when reading my first romance manga.
Ohh I love how the sister isn't really become a love rival/obstacle but a comedy relief-like character. I mean she is obviously like Shirayuki, but she knows the one Shirayuki likes is her brother.