A neighbor dies when potted flowers fall from a balcony of an apartment complex. A man whose father suffers from dementia begins to question if it really was an accident.
Yukie is a female high school student who lives in a small fishing village. The village itself is going through a slump. Yukie and her classmates decide to get pregnant around the same time to pull the village out of its slump.
Mari's quiet everyday life falls apart when she meets a mysterious boy. Her uncle returns after a long absence and tells her that earth is under alien control and that Mari is half human and half alien, while the strange boy confesses that he is trying to escape because he has stolen the key to liberate human beings from Mari's alien uncle. Mari, who only half believes their stories, meets her sister though she is not supposed to have one. Where is Mari heading for in her upside-down life?
Teenage stepsisters Yui and Ai form a close bond as a result of the neglect and abuse from their respective parents. Fearing separation from each other when their parents plan to divorce, they run away together to Tokyo and, in order to survive steal a briefcase which they later discover belongs to the yakuza. This puts them in great danger. Tanida, a kind-hearted yakuza member, comes to their rescue and becomes the protective and loving parent figure they never had. But for how long will he be able to save them from harm?