Moegaku Portable is a role-playing video game for the PlayStation Portable, featuring a young girl named Tukishima Moe. After her friend Kyoka Akira decides to study in the United States, Moe seeks assistance to improve her English skills. With the help of a magical ally, Lulue, Moe battles rival magical girls through English-spoken spells, training diligently for a critical confrontation in 50 days.
One day, Kyoka Akira told Tukishima Moe he would study in United States. Although Moe wanted Akira to stay, Moe had poor English skills. Responding to Moe's wish Lulue appeared to help Moe. Using the transformation item given by Megamisama, she must battle against rival magical girls, by chanting in English to cast spells. Unfortunately, Moe's English was poor. However, Emily was willing to train Moe with English. In order for Moe and Akira to study together, Moe must prepare for the final battle taking place 50 days later.