Paranoia of My Disappearing Puberty

After successful contact with Touwa Erio the self-professed alien wrapped in a futon Makoto attends his first day of school. He meets Ryuko Mifune in his class and rides his bike home with her. The next day he encounters Maekawa a tall girl who becomes dizzy if she holds her arms above her head for more than 10 seconds. That night after taking Erio to the beach they run into Maekawa who recognizes Erio as a former student who had disappeared for six months.