Can You Keep a Secret? (song)

"Can You Keep a Secret?" is the seventh single by Japanese recording artist Hikaru Utada. It was released on February 16, 2001, by Toshiba EMI and serves as the second single from her sophomore album Distance (2001). The song was written and composed entirely by Utada herself. It was the ending theme song for the dorama called Hero (2001), in which Utada had her acting debut, appearing in a cameo as a waitress, and starring Takuya Kimura.

Musically, "Can You Keep A Secret?" is an upbeat R&B and dance-pop song that takes on the cross fusion of pop which was popular in the United States around the time of its release. Lyrically, the song talks about a woman expressing her love and asking her partner if they can keep it a secret. The song was warmly received by music critics, praising its production and Utada's vocals and songwriting; some of them going as far to describe it as a highlight in her discography. The music video features a robot called Pino. Some of the filming took place on Utada's birthday.

Commercially, "Can You Keep A Secret" was a massive success at home. The song ascended to number one on the Oricon Singles Chart and became Japan's best-performing single of 2001. In all, it sold over 1.48 million units nationwide and was ultimately Utada's last single to sell over a million copies. The song has since been played live on several occasions including her 2006 concert tour Utada United 2006.

Commercial performance
"Can You Keep a Secret?" debuted at number one on the Oricon chart, selling 783,620 in its first week, and was her third single to be number one for two consecutive weeks. 1.31 million copies were shipped to stores in a single day. The single has sold 1,485,000 to date and became the number one single of 2001 in Japan. In the World Charts, "Can You Keep a Secret?" reached number 37 for single airplay and number 9 for sales. The single sold 1,484,940 units as of May 2006.

Music video and live performances
The music video for this song includes a robot whom Hikaru appears to be in a relationship with. In the end, it has been revealed that Hiraku, too, is a robot during the relationship. It also shows Hiraku singing in a futuristic room full of pink lights. The robot used in the video was the robot "Pino" created by Hisashi Taniguchi. Utada performed "Can You Keep a Secret?" on her 2010 tour, Utada: In the Flesh 2010.