There's actually multiple endings to the novel just like you would with a normal otome game 2 straight options and the rest he ends up with the boys of his choosing ╮( ̄▽ ̄)╭
https://wuxiaworld.eu/chapter/i-noticed-that-ive-become-a-bl-game-protagonists-younger-brother-1
Here’s one that’s pretty good
Novel??