When Earth loses its heat energy, humans will land in a predicament of extreme coldness. An impoverished young lady who lives alone meets a non-human young man who brings his own heat energy. He is handsome and has exceptional abilities, but he is too laid-back. While disrupting the girl’s plans, various troubles, which were difficult to contain, evolved. Who is he? Where is he from? The girl is currently standing at the fork between love and community. Which will she choose?