Tween

 was an idol duo consisting of sisters Nakamoto Suzuka and Nakamoto Himeka. The two were both students at Actors School Hiroshima and performed together as Tween in 2007.

Himeka later joined SPL∞ASH, then went on to join Nogizaka46, and is now a social worker. Suzuka went on to join Sakura Gakuin and is still active in its former sub-unit BABYMETAL.

Members

 * Nakamoto Suzuka (中元すず香)
 * Nakamoto Himeka (中元日芽香)