Tokyo police say actress Erika Sawajiri is cooperating with an investigation into her alleged possession of illegal drugs.
The 33-year-old was arrested for possessing the synthetic drug MDMA at her apartment in Tokyo.
Police said that, during a raid of her house on Saturday, she voluntarily revealed the whereabouts of the illegal substance. Sawajiri pointed to an accessory case on a shelf.
The case contained two capsules. MDMA was detected in one.
The actress told investigators that she got the substance at an event several weeks ago.
She also admitted that she has been using illegal drugs for more than 10 years.