I don't know now if I'm allowed to post this or not, but I do because it should be interesting for everyone. It is an excerpt from the original walkthrough.
The choices you can pick between, depending on your history with the girls, are:
Josy & Maya: You have to be in their relationship to be able to choose this.
Isabella: You have to be dating her to be able to choose this.
Sage: You have to be her fuck buddy or fucked her in episode 7 to be able to
choose this.
Jill: If you were invited to dinner with her friends, this will be an option. It may also be an option in other rare cases, but if you didn’t get invited to dinner, she will reject you if you choose to be with her.
Others: This option is only available if you aren’t in Josy’s and Maya’s relationship and don’t have a successful relationship with Jill. Choosing that none of the other girls are right for you will cause you to reject any main girl relationships and stay friends with them.
Hint! Whatever choice, it will have a huge impact on the story that follows. The choice you make will be referred to as being on someone’s branch from here on. For example, the branches are referred to as: Josy’s and Maya’s branch, Jill’s branch, Isabella’s branch, Sage’s branch, and others’ branch.