I also don't think it's impossible that Clara's father will save them. He remembers how much Clara is suffering and he does not want her to suffer because he has warned Clara's mother to take care of her teeth. I quote the Dev as well: But remember, in this shadow game, trust can be the most dangerous weapon. Clara trusts Leon, but here is the trouble, Clara walked into the trap.
Let's talk a little about Alan: O trusts Anna very much and we also know what cute games Anna plays with Alan and Clara. We didn't find out about her plan to return to Clara's father, because Clara's father invited Alan because he got into a fight about the meeting. We also know that Clara's father is referencing Alan, but it's possible that he will do everything he can to put the reference up. This is just my personal opinion.
Let's talk a little about Alan: O trusts Anna very much and we also know what cute games Anna plays with Alan and Clara. We didn't find out about her plan to return to Clara's father, because Clara's father invited Alan because he got into a fight about the meeting. We also know that Clara's father is referencing Alan, but it's possible that he will do everything he can to put the reference up. This is just my personal opinion.