One day, 13-year old Tokio Meguru is suddenly approached by a strange girl who is running away from something. She finds out that the girl's name is also Meguru, and although she appears to be around 17 years old she has a passionate personality, which the younger Meguru has trouble dealing with. Tokio Meguru gets drawn into the older Meguru's fight with a mysterious organization, and they both get targeted by a narcissist named Rei.

Although the younger Meguru can't believe that the older one came from the future, she fights alongside her in a dimensional robot. After fighting with Rei, she finds out that even though the other Meguru is older than her, she is Tokio Meguru's descendant. After finding out that someone has jumped into the past by using the older Meguru's history surveillance device, the two also make a leap back into the past.

Source: ANN

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