Yes, there are many quite correct remarks in your words. You're right. But Kasie is shy and it's a big blow for her to go to the police and let everyone know what he did to her. Plus, she thought she could handle it on her own, she wanted to be strong like her mom.
About the fact that she is not dating someone from work, the problem is that she tried to date, but she has a bad experience in her past, and now she is a little afraid of relationships. That's why she lets her brothers do such things, she is not afraid of them.
And yes, it's just a game, I'm trying to make it realistic, but some scenes I just want to do