The Consumer Hotline for Tourists offers telephone consultation that overseas visitors to Japan can use if they experience consumer issues while visiting Japan. 
Feel free tocall this hotline if you encounter consumer issues involving stores, restaurants, bars, transportation, or lodging during your visit!

・03-5449-0906  ※Standard call rates to the call center will apply.
・Mon.  Fri. 10:00 a.m. – 4:00 p.m. (closed weekends, national holidays, and Dec. 29 – Jan. 3)
・Available languages: English, Chinese, Korean, Thai, Vietnamese, Japanese

Consumer Hotline for Tourists (National Consumer Affairs Center of Japan)
http://www.kokusen.go.jp/tourists/index.html