Jealous Step Sis

When Febby Twigs discovers that there's something going on between her best friend Lily Glee and her stepbrother Alex Jett, she gets super jealous and confronts her stepbrother about it. She tells him if he's gonna be hooking up with girls, he should be doing it with her. The next day, Lily comes back looking for Alex, the siblings come clean and conclude that the only thing left to do is for Lily to join them.