beta
I don't feel any romantic feelings from Momo for her brother, but from every flashback about them you can tell they are close. The only family they have is each other. If Theo falls for her brother and her brother falls for Theo she is probably thinking of what will happen to her. Will her brother choose to stay, while she will be forced to go back alone? Will loving someone else take up all his affection, and he won't love or pay attention to her anymore? They are more then likely a child's worries about being left and unloved by the one piece of family she has left.
Everyone was like "Save Momo! Precious Cinnamon Roll!", but now that she's told Theo she won't be giving him her brother, everyone is up in arms. Can we let Ume wake up first and reassure her that she is family and he loves her and all that jazz and that him loving Theo isn't going to change that so they can both cry their worries away and we can move on to the next before you guys decide to un-own her? I promise you, it's gonna be okay~ （￣へ￣）