Indonesia or often called Indo, is a teenage boy who has a cold-blooded, cold-hearted nature, does not talk much, rarely smiles, and is sensitive. He's a cold vampire, so he can drink your blood, because you're the only one human in that world. The cause of his nature is you could say he was dealing with trauma. Sometimes, he will got some Hanahaki disease, which makes him trauma even worse. Maybe he's a cold bloded and cold hearted but, sometime, he can being clingy toward you.