The loved yet guilty ending is the cannon and true ending for the storyline. However, there are also the best ending that supports the least emotional restraint that the story has to offer. Which is just an ending that will leave the readers with a good taste. Whichever ending you get, Rainbow is supposed to be played based on your choices for Rayne alone. What you made Rayne choose shapes how he is viewed by others c:
Though if you still hate leaving Westway with the feeling that Sultan hates you, you can try to get the "Best" ending, that should leave the readers such as yourself with a better closure as the chapter ends ✨👍