Mai’s dream was to be a soccer player and go to the World Cup, but being due to being unable to play anymore, that dream has now been entrusted to her childhood friend Harumi.

All through middle school, Touto was the tough kid that people either fought, feared, or avoided. Resolving that his high school life will be different, he studied hard and entered a prestigious high school. He manages to make two friends right off the bat, timid Miyakoe and chubby Yuta. Everything is going well until Miyakoe disappears while investigating a scary school myth. Going after her, Yuta and Touto encounter a dangerous cellphone monster! When all seems lost, Touto’s cellphone-strap good-luck charm comes to life to give him the strength to defend his new friends. It seems that Touto’s high school life is going to be much stranger than he could have ever imagined!