Keiko and someone just like her

Keiko travels back into the past where she sees Hana and the murderer arguing, the fight was intense she turns around to see a boy who was around her age. The boy introduces himself as Akio Yamamoto he asks her if she was new around the neighborhood. She froze if she said no then her cover would've been blown but if she said yes then the boy will ask her a lot of questions. Not knowing what to do, she said "No I've been in this neighborhood since birth."

The boy replied, "Can you please show me around then, please ?"

Keiko ran as she was afraid and then the boy stops her, he asks her if this was her and points at a newspaper in his hands. Keiko was surprised and replied "Yes this is me. "

Akio was shocked, he couldn't believe what he had just seen ...

Keiko asked him " Do you have magical powers ?"

Akio replies "Yes I do I can travel back in time and you must be Keiko I saw you in front of the politician's house."

Keiko was stunned as she also can travel back in time and can turn invisible, she looked at the boy closely and then recognized the boy as her mum's friend's son. Keiko asked the boy to be her friend and help her solve the mystery which he agrees. They both decided to go and stay at the boy's grandparent's house as they are the only one that knows Akio's secret.

When they got to Akio's grandparent's house they found Hana sitting there looking at them and then said to Akio " Welcome home brother." which shocked Keiko a lot, Keiko and Akio decided that Keiko can sleep with Akio for tonight.

The next day, Akio wakes up to see his grandfather had been murdered, devastated Akio breaks down into tears. Keiko arrives at the scene and finds that Akio's grandfather's had something strange in his pockets she grabs it and then warns Akio to look behind them. Slowly Akio turns his head to see...