Seiko has left her management company in effective of February 28th. Her official website "" has not been accessible since March 1st.

Her (now former) management company had Seiko herself and her brother and mother listed as board members. 

Other than that, there are only speculations and rumors spreading online.


Seiko will release "Yume ga Samete", a duet with Chris Hart, an African-American J-Pop singer, on October 30th. This will be Seiko's first duet with a non-Japanese singer in 17 years since a 1996 single "I'll Be There For You" with Robbie Neville.

The two will perform together at "SIGMA FES. 2013" at Makuhari Messe on September 14th.


"Shiroi Tsuki" (White Moon), one of the tracks from new album "A Girl in the Wonder Land", has been released on iTunes.

Click here to download (link to iTunes Japan).


A new album "A Girl in the Wonder Land" will be on sale on 06/05.

Besides the pre-released single "LuLu!!", the album contains nine other tracks including the songs written by Chara and Toshinobu Kubota.

Seiko will be featured on the 2013/6/1 (Sat) episode of the NHK's "SONGS".

She will be performing "Natsu no Tobira", "Sweet Memories", new single "LuLu!!", and "Shiroi Tsuki".

The program will be aired at 11pm on 2013/6/1 (Sat) and rerun at 1:30am on 2013/6/7 (Fri).