Ground Control to Psychoelectric Girl

When Niwa Makoto's parents moved overseas, they decided he would move to the city and stay with his aunt, Towa Meme. Makoto was told that Meme is unmarried and childless, but when he arrives, he finds a mysterious girl wrapped up in a futon...

Erio, despite her beautiful appearance, is a strange girl who believes herself to be an alien. One night, Erio asks to be taken to a distant beach, where Makoto learns about the incident that caused Erio to begin calling herself an alien.

Makoto is irritated by Erio's attempt to escape reality by making herself believe that everything was done by aliens. He wants to have her accept reality. However, Meme sits down with Makoto and tells him to just leave Erio alone.

Makoto broke his right arm while partaking in an "adolescent" activity and has been stuck in the hosipital since. Erio doesn't come to visit Makoto, but his female classmates Ryuuko and Maekawa-san manage to swing by...

Meme grows desperate and crazed upon her 40th birthday. Erio gives her a gift, which spurs her on to celebrate Erio's birthday the next day, since they skipped it when it actually came about. Erio tells Makoto she wants to rejoin society.

Ryuuko rediscovers Erio's infamy. She is worried that Makoto might get ostracized at school because of Erio's past. Also, Maekawa-san decides to visit Makoto's place. Ryuuko, who has conflicted feelings for Makoto, begins to show signs of irritation...

One month ago, Maekawa-san received five plastic soda bottles When she confronts the man who gave them to her, he asks Maekawa-san to build plastic bottle rockets for him. After being told that he would pay 5,000 yen per rocket, Maekawa-san accepts.

After thinking really, really hard, Meme decides to cheer her ailing mother up by making plastic bottle rockets. She soon encounters the man who asked Maekawa-san to make rockets. It turns out he is Meme's childhood friend. She makes a certain request...

It's summer vacation! Not really having much else to do, Makoto accepts an invite to play baseball with Maekawa-san. After one game, Erio hears about Makoto's summer antics playing baseball and insists that she wants to play, too...

The city's baseball team roster includes a self-proclaimed psychic/alien named Yashiro. At night, Yashiro comes out from under the Towa's house in full astronaut gear. Erio charges at her while inside her trusty futon, knocking Yashiro's helmet loose...

Makoto is invited to lunch at the Maekawa residence. While playing games with Maekawa-san, Makoto is told that he's "good at giving up on things" by Maekawa-san. This revives sour memories. Then, Makoto goes to a basketball game to cheer on Ryuuko, but...

The shopping center's baseball team and the city's team schedule a match to decide who may host the festival. As the head coach for some reason, Meme decides to sub Erio in as the pitcher. Meanwhile, Makoto must seek out Maekawa-san's AWOL father...

Makoto goes to the festival with Ryuuko. Makoto gets to the shrine where Erio is waiting and is greeted by Yashiro, who claims she will demonstrate a small part of her psychic powers and tells Makoto to take three steps back. She raises her left arm...