Season 1 · 13 episodes
Mayuko is living in a bath house and going to cram school until she can afford to pay her way to college. NieA is an alien living in her closet who likes to build UFO's in her room. Many years ago, an alien ship landed and it's inhabitan…
Needing to do something to help the bath house get back in the black, Mayuko, Nenji and NieA go to the crater in search of an oil that rumor has it exists there. Along the way, the group are attacked by giant plants and they lose their Be…
Mayuko is greeted by a large Indian man who seems to be a pervert. NieA recognizes him as the owner of a convenience store as an alien. He invites Mayuko there for their opening and then invites NieA to the alien meeting. NieA ends up g…
Mayuko has started a new job at a European restaurant where she delivers food (although she tells Chiaki that she's a waitress). After NieA has stuck Chada with a food bill at the restaurant she works at, Chada pays a visit to the restaur…
Still in the red, the Enohana Bath house must do something to bring in customers. When NieA waltzes in with several parts from a video game store that has closed down, Kotomi (the owner and manager of the bath house) has an idea on how to…
When a new bath house opens in the crater, Kotomi asks NieA and Mayuko to investigate. Since they can't go inside or they'll be recognized, they enlist Genzo and Chiaki to help get intel from the inside. Outside the new bath house, Mayuk…
Chiaki asks Mayuko to go to a Go-Con with her. A Go-Con is a blind date with several guys and several girls in hopes that some of them can pair off. Chiaki reluctantly agrees. Meanwhile, NieA is building a new UFO on the roof when she p…
Mayuko is feeling down about how she yelled at NieA and skipped out on the the Go-Con. Later at cram school, she runs in to the group of girls that went to the Go-Con and they let her know that everything is okay with them about her cance…
Mayuko is still upset with NieA's behavior while NieA decides that Mayuko's mood is caused by malnutrition. She heads to the junk yard to sell scap in order to buy her more nutritional food. When the junk man refuses her prices he sugges…
When the restaurant that Mayuko works at gets a large party reservation, Mayuko goes to the supermarket for ingredients. Chie goes with her which turns out to be fortunate since Mayuko has never been inside a supermarket before. After th…
NieA has been missing for some time now and Mayuko is starting to get worried. Meanwhile life goes on as the owner of the Enohana Bath House is pondering selling out. She tells Mayuko not to worry though since nothing has been decided ye…
Kotomi has hired someone to fix the hole in the bath house roof. On her way to school Mayuko goes to the Alien Registration Office to see if there is any sign of NieA. They tell here that they have no information on anyone lower than an …
Things continue pretty much as normal after the disappearance of the mothership. Chiaki and Mayuko talk about things now that it's gone and how NieA is doing. Later, Kotomi tells them that the bath house actually turned a profit. Genzo …