Back at home.
Himeko-started to earn a good salary but it was not enough for her to get back home. The next day when she was attending to her customers at the departmental store her phone ranged. So she decided to take a break to receive the call .Himeko did not realize that it was her aunt Ayano .Then she told her niece that she had taken her teleportation device by mistake and wants it back. After discovering the truth Himeko told her aunt that she did not want her device and wanted to return back home. So the next day Himeko bid good bye to all her new friends in Sao Paulo and returned back home to Yokohama. Her parents were very angry with her because she was absent from her home for 4 weeks. But her aunt handled the situation very carefully and told them that Himeko-had accidentally used the invisible potion on herself by mistake and that's is why she cannot be seen by anyone.
the ending of the story was OK.