Semi Haikyuu

Ellie, a demigod who's identity has been hidden for couple of years. She feels empty everyday. She feels like there is something missing. She and her friends have one tattoo on their body but they did not know the meaning behind those tattoos. They don't pay much attention about their true selves. Not until one of their friend found a page of an old book at their house. Their parents refuses to tell the truth. They hide every single detail about them. But, they did it for a reason, and it is to protect them. But, that day will come. The time that they're afraid the most even the Gods. Would they be able to succeed?